13047155 has 16 divisors (see below), whose sum is σ = 17203968. Its totient is φ = 9420000.

The previous prime is 13047127. The next prime is 13047157. The reversal of 13047155 is 55174031.

It is not a de Polignac number, because 13047155 - 2⁸ = 13046899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13047157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7520 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (1075248).

Almost surely, 2^13047155 is an apocalyptic number.

13047155 is a deficient number, since it is larger than the sum of its proper divisors (4156813).

13047155 is a wasteful number, since it uses less digits than its factorization.

13047155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 13047155 is about 3612.0845781903. The cubic root of 13047155 is about 235.4174261947.

The spelling of 13047155 in words is "thirteen million, forty-seven thousand, one hundred fifty-five".