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13683936 = 253722909
BaseRepresentation
bin110100001100…
…110011100000
3221202012211110
4310030303200
512000341221
61205143320
7224211600
oct64146340
927665743
1013683936
1177a6a42
1246bab40
132ab1606
141b62c00
151304776
hexd0cce0

13683936 has 72 divisors (see below), whose sum is σ = 41799240. Its totient is φ = 3908352.

The previous prime is 13683931. The next prime is 13683937. The reversal of 13683936 is 63938631.

It is a junction number, because it is equal to n+sod(n) for n = 13683894 and 13683903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3250 + ... + 6158.

It is an arithmetic number, because the mean of its divisors is an integer number (580545).

Almost surely, 213683936 is an apocalyptic number.

13683936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13683936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20899620).

13683936 is an abundant number, since it is smaller than the sum of its proper divisors (28115304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13683936 is a wasteful number, since it uses less digits than its factorization.

13683936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2921 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 13683936 is about 3699.1804497753. The cubic root of 13683936 is about 239.1866914293.

The spelling of 13683936 in words is "thirteen million, six hundred eighty-three thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 2909 4704 5818 8727 11636 17454 20363 23272 34908 40726 46544 61089 69816 81452 93088 122178 139632 142541 162904 244356 279264 285082 325808 427623 488712 570164 651616 855246 977424 1140328 1710492 1954848 2280656 3420984 4561312 6841968 13683936