13791536 has 40 divisors (see below), whose sum is σ = 30426624. Its totient is φ = 5994560.

The previous prime is 13791527. The next prime is 13791541. The reversal of 13791536 is 63519731.

It is a junction number, because it is equal to n+sod(n) for n = 13791496 and 13791505.

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, 2345 + ... + 5751.

Almost surely, 2^13791536 is an apocalyptic number.

13791536 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 13791536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15213312).

13791536 is an abundant number, since it is smaller than the sum of its proper divisors (16635088).

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

13791536 is a wasteful number, since it uses less digits than its factorization.

13791536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3443 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 13791536 is about 3713.6957333632. The cubic root of 13791536 is about 239.8119823738.

The spelling of 13791536 in words is "thirteen million, seven hundred ninety-one thousand, five hundred thirty-six".