13304155 has 4 divisors (see below), whose sum is σ = 15964992. Its totient is φ = 10643320.

The previous prime is 13304147. The next prime is 13304171. The reversal of 13304155 is 55140331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13304155 - 2³ = 13304147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1330411 + ... + 1330420.

It is an arithmetic number, because the mean of its divisors is an integer number (3991248).

Almost surely, 2^13304155 is an apocalyptic number.

13304155 is a deficient number, since it is larger than the sum of its proper divisors (2660837).

13304155 is an equidigital number, since it uses as much as digits as its factorization.

13304155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660836.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13304155 is about 3647.4861206042. The cubic root of 13304155 is about 236.9531202712.

Adding to 13304155 its reverse (55140331), we get a palindrome (68444486).

It can be divided in two parts, 1330 and 4155, that multiplied together give a triangular number (5526150 = T₃₃₂₄).

The spelling of 13304155 in words is "thirteen million, three hundred four thousand, one hundred fifty-five".