13255215 has 16 divisors (see below), whose sum is σ = 21448800. Its totient is φ = 6989312.

The previous prime is 13255201. The next prime is 13255243. The reversal of 13255215 is 51255231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13255215 - 2¹¹ = 13253167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3630 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (1340550).

Almost surely, 2^13255215 is an apocalyptic number.

13255215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13255215 is a deficient number, since it is larger than the sum of its proper divisors (8193585).

13255215 is an equidigital number, since it uses as much as digits as its factorization.

13255215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026.

The product of its digits is 1500, while the sum is 24.

The square root of 13255215 is about 3640.7712095104. The cubic root of 13255215 is about 236.6622153056.

The spelling of 13255215 in words is "thirteen million, two hundred fifty-five thousand, two hundred fifteen".