13797156 has 48 divisors (see below), whose sum is σ = 34151040. Its totient is φ = 4327680.

The previous prime is 13797151. The next prime is 13797167. The reversal of 13797156 is 65179731.

It is not an unprimeable number, because it can be changed into a prime (13797151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13785 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (711480).

Almost surely, 2^13797156 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 13797156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17075520).

13797156 is an abundant number, since it is smaller than the sum of its proper divisors (20353884).

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

13797156 is a wasteful number, since it uses less digits than its factorization.

13797156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1042 counting only the distinct ones).

The product of its digits is 39690, while the sum is 39.

The square root of 13797156 is about 3714.4523149450. The cubic root of 13797156 is about 239.8445521160.

The spelling of 13797156 in words is "thirteen million, seven hundred ninety-seven thousand, one hundred fifty-six".