13155251 has 8 divisors (see below), whose sum is σ = 13381200. Its totient is φ = 12931072.

The previous prime is 13155223. The next prime is 13155281. The reversal of 13155251 is 15255131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13155251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13155221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29075 + ... + 29523.

It is an arithmetic number, because the mean of its divisors is an integer number (1672650).

Almost surely, 2^13155251 is an apocalyptic number.

13155251 is a deficient number, since it is larger than the sum of its proper divisors (225949).

13155251 is an equidigital number, since it uses as much as digits as its factorization.

13155251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its digits is 750, while the sum is 23.

The square root of 13155251 is about 3627.0168182681. The cubic root of 13155251 is about 236.0657853089.

The spelling of 13155251 in words is "thirteen million, one hundred fifty-five thousand, two hundred fifty-one".