13791136 has 24 divisors (see below), whose sum is σ = 27234144. Its totient is φ = 6874560.

The previous prime is 13791133. The next prime is 13791137. The reversal of 13791136 is 63119731.

13791136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13791098 and 13791107.

It is not an unprimeable number, because it can be changed into a prime (13791133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19851 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (1134756).

Almost surely, 2^13791136 is an apocalyptic number.

13791136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13791136 is a deficient number, since it is larger than the sum of its proper divisors (13443008).

13791136 is an equidigital number, since it uses as much as digits as its factorization.

13791136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1316 counting only the distinct ones).

The product of its digits is 3402, while the sum is 31.

The square root of 13791136 is about 3713.6418782645. The cubic root of 13791136 is about 239.8096639054.

The spelling of 13791136 in words is "thirteen million, seven hundred ninety-one thousand, one hundred thirty-six".