13813415 has 16 divisors (see below), whose sum is σ = 20666880. Its totient is φ = 8610720.

The previous prime is 13813411. The next prime is 13813417. The reversal of 13813415 is 51431831.

It is not a de Polignac number, because 13813415 - 2² = 13813411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813411) 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 15 ways as a sum of consecutive naturals, for example, 17555 + ... + 18324.

It is an arithmetic number, because the mean of its divisors is an integer number (1291680).

Almost surely, 2^13813415 is an apocalyptic number.

13813415 is a deficient number, since it is larger than the sum of its proper divisors (6853465).

13813415 is a wasteful number, since it uses less digits than its factorization.

13813415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35902.

The product of its digits is 1440, while the sum is 26.

The square root of 13813415 is about 3716.6402839123. The cubic root of 13813415 is about 239.9387285718.

The spelling of 13813415 in words is "thirteen million, eight hundred thirteen thousand, four hundred fifteen".