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13706748 = 22321134613
BaseRepresentation
bin110100010010…
…010111111100
3221210101010100
4310102113330
512002103443
61205441100
7224335236
oct64222774
927711110
1013706748
1178120a0
124710190
132abbb03
141b6b256
15130b3d3
hexd125fc

13706748 has 36 divisors (see below), whose sum is σ = 37798488. Its totient is φ = 4153440.

The previous prime is 13706741. The next prime is 13706753. The reversal of 13706748 is 84760731.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13706741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16911 + ... + 17702.

It is an arithmetic number, because the mean of its divisors is an integer number (1049958).

Almost surely, 213706748 is an apocalyptic number.

13706748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13706748 is an abundant number, since it is smaller than the sum of its proper divisors (24091740).

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

13706748 is a wasteful number, since it uses less digits than its factorization.

13706748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34634 (or 34629 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 13706748 is about 3702.2625514677. The cubic root of 13706748 is about 239.3195308305.

It can be divided in two parts, 1370 and 6748, that added together give a palindrome (8118).

The spelling of 13706748 in words is "thirteen million, seven hundred six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 34613 69226 103839 138452 207678 311517 380743 415356 623034 761486 1142229 1246068 1522972 2284458 3426687 4568916 6853374 13706748