13156455 has 64 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 5930496.

The previous prime is 13156447. The next prime is 13156457. The reversal of 13156455 is 55465131.

It is not a de Polignac number, because 13156455 - 2³ = 13156447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196332 + ... + 196398.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 2^13156455 is an apocalyptic number.

13156455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13156455 is a deficient number, since it is larger than the sum of its proper divisors (11519385).

13156455 is a wasteful number, since it uses less digits than its factorization.

13156455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its digits is 9000, while the sum is 30.

The square root of 13156455 is about 3627.1827910928. The cubic root of 13156455 is about 236.0729868574.

The spelling of 13156455 in words is "thirteen million, one hundred fifty-six thousand, four hundred fifty-five".