13215413 has 8 divisors (see below), whose sum is σ = 13554432. Its totient is φ = 12878896.

The previous prime is 13215383. The next prime is 13215421. The reversal of 13215413 is 31451231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13215413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14456 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (1694304).

Almost surely, 2^13215413 is an apocalyptic number.

It is an amenable number.

13215413 is a deficient number, since it is larger than the sum of its proper divisors (339019).

13215413 is an equidigital number, since it uses as much as digits as its factorization.

13215413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 360, while the sum is 20.

The square root of 13215413 is about 3635.3009504029. The cubic root of 13215413 is about 236.4250992349.

Adding to 13215413 its reverse (31451231), we get a palindrome (44666644).

The spelling of 13215413 in words is "thirteen million, two hundred fifteen thousand, four hundred thirteen".