13133325 has 24 divisors (see below), whose sum is σ = 22248576. Its totient is φ = 6832000.

The previous prime is 13133321. The next prime is 13133363. The reversal of 13133325 is 52333131.

13133325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13133325 - 2² = 13133321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (927024).

Almost surely, 2^13133325 is an apocalyptic number.

13133325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13133325 is a deficient number, since it is larger than the sum of its proper divisors (9115251).

13133325 is a wasteful number, since it uses less digits than its factorization.

13133325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4320 counting only the distinct ones).

The product of its digits is 810, while the sum is 21.

The square root of 13133325 is about 3623.9929635693. The cubic root of 13133325 is about 235.9345612399.

Adding to 13133325 its reverse (52333131), we get a palindrome (65466456).

The spelling of 13133325 in words is "thirteen million, one hundred thirty-three thousand, three hundred twenty-five".