13253215 has 16 divisors (see below), whose sum is σ = 16580160. Its totient is φ = 10160640.

The previous prime is 13253197. The next prime is 13253237. The reversal of 13253215 is 51235231.

It is not a de Polignac number, because 13253215 - 2¹⁹ = 12728927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12631 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (1036260).

Almost surely, 2^13253215 is an apocalyptic number.

13253215 is a deficient number, since it is larger than the sum of its proper divisors (3326945).

13253215 is a wasteful number, since it uses less digits than its factorization.

13253215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

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

The square root of 13253215 is about 3640.4965320681. The cubic root of 13253215 is about 236.6503118589.

Adding to 13253215 its reverse (51235231), we get a palindrome (64488446).

The spelling of 13253215 in words is "thirteen million, two hundred fifty-three thousand, two hundred fifteen".