13264155 has 32 divisors (see below), whose sum is σ = 23891520. Its totient is φ = 7068384.

The previous prime is 13264133. The next prime is 13264159. The reversal of 13264155 is 55146231.

13264155 is a `hidden beast` number, since 13 + 2 + 641 + 5 + 5 = 666.

13264155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13264155 - 2⁶ = 13264091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13264159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10329 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (746610).

Almost surely, 2^13264155 is an apocalyptic number.

13264155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13264155 is a deficient number, since it is larger than the sum of its proper divisors (10627365).

13264155 is an frugal number, since it uses more digits than its factorization.

13264155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1221 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13264155 is about 3641.9987644149. The cubic root of 13264155 is about 236.7154090794.

The spelling of 13264155 in words is "thirteen million, two hundred sixty-four thousand, one hundred fifty-five".