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13303134 = 23213139409
BaseRepresentation
bin110010101111…
…110101011110
3221000212110200
4302233311132
511401200014
61153044330
7221034435
oct62576536
927025420
1013303134
117566929
1245566a6
1329aa1a0
141aa411c
15127ba09
hexcafd5e

13303134 has 48 divisors (see below), whose sum is σ = 31340400. Its totient is φ = 4053888.

The previous prime is 13303133. The next prime is 13303139. The reversal of 13303134 is 43130331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32322 + ... + 32730.

It is an arithmetic number, because the mean of its divisors is an integer number (652925).

Almost surely, 213303134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13303134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15670200).

13303134 is an abundant number, since it is smaller than the sum of its proper divisors (18037266).

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

13303134 is a wasteful number, since it uses less digits than its factorization.

13303134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13303134 is about 3647.3461585103. The cubic root of 13303134 is about 236.9470586229.

Adding to 13303134 its reverse (43130331), we get a palindrome (56433465).

The spelling of 13303134 in words is "thirteen million, three hundred three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 139 234 278 409 417 818 834 1227 1251 1807 2454 2502 3614 3681 5317 5421 7362 10634 10842 15951 16263 31902 32526 47853 56851 95706 113702 170553 341106 511659 739063 1023318 1478126 2217189 4434378 6651567 13303134