13325215 has 4 divisors (see below), whose sum is σ = 15990264. Its totient is φ = 10660168.

The previous prime is 13325203. The next prime is 13325231. The reversal of 13325215 is 51252331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13325215 is a prime.

It is a super-2 number, since 2×13325215² = 355122709592450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332517 + ... + 1332526.

It is an arithmetic number, because the mean of its divisors is an integer number (3997566).

Almost surely, 2^13325215 is an apocalyptic number.

13325215 is a deficient number, since it is larger than the sum of its proper divisors (2665049).

13325215 is an equidigital number, since it uses as much as digits as its factorization.

13325215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665048.

The product of its digits is 900, while the sum is 22.

The square root of 13325215 is about 3650.3718988618. The cubic root of 13325215 is about 237.0780837858.

Adding to 13325215 its reverse (51252331), we get a palindrome (64577546).

The spelling of 13325215 in words is "thirteen million, three hundred twenty-five thousand, two hundred fifteen".