13149625 has 16 divisors (see below), whose sum is σ = 16698240. Its totient is φ = 10335600.

The previous prime is 13149623. The next prime is 13149659. The reversal of 13149625 is 52694131.

13149625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13149625 - 2¹ = 13149623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13149623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6484 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (1043640).

Almost surely, 2^13149625 is an apocalyptic number.

It is an amenable number.

13149625 is a deficient number, since it is larger than the sum of its proper divisors (3548615).

13149625 is an equidigital number, since it uses as much as digits as its factorization.

13149625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1847 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 13149625 is about 3626.2411668283. The cubic root of 13149625 is about 236.0321283943.

The spelling of 13149625 in words is "thirteen million, one hundred forty-nine thousand, six hundred twenty-five".