13323625 has 16 divisors (see below), whose sum is σ = 19004544. Its totient is φ = 9135600.

The previous prime is 13323577. The next prime is 13323641. The reversal of 13323625 is 52632331.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13323625 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13323625.

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, 6739 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (1187784).

Almost surely, 2^13323625 is an apocalyptic number.

It is an amenable number.

13323625 is a deficient number, since it is larger than the sum of its proper divisors (5680919).

13323625 is an equidigital number, since it uses as much as digits as its factorization.

13323625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15249 (or 15239 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 13323625 is about 3650.1541063358. The cubic root of 13323625 is about 237.0686538155.

Adding to 13323625 its reverse (52632331), we get a palindrome (65955956).

The spelling of 13323625 in words is "thirteen million, three hundred twenty-three thousand, six hundred twenty-five".