13156144 has 10 divisors (see below), whose sum is σ = 25490060. Its totient is φ = 6578064.

The previous prime is 13156109. The next prime is 13156153. The reversal of 13156144 is 44165131.

13156144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411114 + ... + 411145.

It is an arithmetic number, because the mean of its divisors is an integer number (2549006).

Almost surely, 2^13156144 is an apocalyptic number.

It is an amenable number.

13156144 is a deficient number, since it is larger than the sum of its proper divisors (12333916).

13156144 is an equidigital number, since it uses as much as digits as its factorization.

13156144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822267 (or 822261 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 13156144 is about 3627.1399201023. The cubic root of 13156144 is about 236.0711266989.

The spelling of 13156144 in words is "thirteen million, one hundred fifty-six thousand, one hundred forty-four".