13000936 has 32 divisors (see below), whose sum is σ = 26901000. Its totient is φ = 5852160.

The previous prime is 13000919. The next prime is 13000943. The reversal of 13000936 is 63900031.

It can be written as a sum of positive squares in 4 ways, for example, as 2722500 + 10278436 = 1650^2 + 3206^2 .

It is a super-4 number, since 4×13000936⁴ (a number of 30 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740 + ... + 5788.

Almost surely, 2^13000936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13000936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13450500).

13000936 is an abundant number, since it is smaller than the sum of its proper divisors (13900064).

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

13000936 is a wasteful number, since it uses less digits than its factorization.

13000936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 13000936 is about 3605.6810729736. The cubic root of 13000936 is about 235.1391118399.

Adding to 13000936 its reverse (63900031), we get a palindrome (76900967).

The spelling of 13000936 in words is "thirteen million, nine hundred thirty-six", and thus it is an aban number.