12813479 has 8 divisors (see below), whose sum is σ = 14665728. Its totient is φ = 10966680.

The previous prime is 12813413. The next prime is 12813487. The reversal of 12813479 is 97431821.

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-12813479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7874 + ... + 9360.

It is an arithmetic number, because the mean of its divisors is an integer number (1833216).

Almost surely, 2^12813479 is an apocalyptic number.

12813479 is a deficient number, since it is larger than the sum of its proper divisors (1852249).

12813479 is a wasteful number, since it uses less digits than its factorization.

12813479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its digits is 12096, while the sum is 35.

The square root of 12813479 is about 3579.5920158588. The cubic root of 12813479 is about 234.0035003251.

The spelling of 12813479 in words is "twelve million, eight hundred thirteen thousand, four hundred seventy-nine".