13297155 has 32 divisors (see below), whose sum is σ = 21973248. Its totient is φ = 6864000.

The previous prime is 13297153. The next prime is 13297159. The reversal of 13297155 is 55179231.

It is not a de Polignac number, because 13297155 - 2¹ = 13297153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13297153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101440 + ... + 101570.

It is an arithmetic number, because the mean of its divisors is an integer number (686664).

Almost surely, 2^13297155 is an apocalyptic number.

13297155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13297155 is a deficient number, since it is larger than the sum of its proper divisors (8676093).

13297155 is a wasteful number, since it uses less digits than its factorization.

13297155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its digits is 9450, while the sum is 33.

The square root of 13297155 is about 3646.5264293571. The cubic root of 13297155 is about 236.9115552405.

The spelling of 13297155 in words is "thirteen million, two hundred ninety-seven thousand, one hundred fifty-five".