12413813 has 8 divisors (see below), whose sum is σ = 12997248. Its totient is φ = 11834064.

The previous prime is 12413803. The next prime is 12413831. The reversal of 12413813 is 31831421.

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

It is a cyclic number.

It is not a de Polignac number, because 12413813 - 2⁶ = 12413749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7856 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (1624656).

Almost surely, 2^12413813 is an apocalyptic number.

It is an amenable number.

12413813 is a deficient number, since it is larger than the sum of its proper divisors (583435).

12413813 is a wasteful number, since it uses less digits than its factorization.

12413813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its digits is 576, while the sum is 23.

The square root of 12413813 is about 3523.3241406376. The cubic root of 12413813 is about 231.5448182333.

The spelling of 12413813 in words is "twelve million, four hundred thirteen thousand, eight hundred thirteen".