13155250 has 32 divisors (see below), whose sum is σ = 24918192. Its totient is φ = 5200000.

The previous prime is 13155223. The next prime is 13155281. The reversal of 13155250 is 5255131.

It can be written as a sum of positive squares in 8 ways, for example, as 1656369 + 11498881 = 1287^2 + 3391^2 .

It is an unprimeable number.

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, 24990 + ... + 25510.

Almost surely, 2^13155250 is an apocalyptic number.

13155250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13155250 is a deficient number, since it is larger than the sum of its proper divisors (11762942).

13155250 is a wasteful number, since it uses less digits than its factorization.

13155250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 13155250 is about 3627.0166804138. The cubic root of 13155250 is about 236.0657793274.

The spelling of 13155250 in words is "thirteen million, one hundred fifty-five thousand, two hundred fifty".