13013155 has 8 divisors (see below), whose sum is σ = 15804432. Its totient is φ = 10284768.

The previous prime is 13013137. The next prime is 13013179. The reversal of 13013155 is 55131031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13013155 - 2⁷ = 13013027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15264 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (1975554).

Almost surely, 2^13013155 is an apocalyptic number.

13013155 is a deficient number, since it is larger than the sum of its proper divisors (2791277).

13013155 is an equidigital number, since it uses as much as digits as its factorization.

13013155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31445.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13013155 is about 3607.3750844624. The cubic root of 13013155 is about 235.2127543622.

Adding to 13013155 its reverse (55131031), we get a palindrome (68144186).

The spelling of 13013155 in words is "thirteen million, thirteen thousand, one hundred fifty-five".