12913873 has 8 divisors (see below), whose sum is σ = 14780480. Its totient is φ = 11052720.

The previous prime is 12913871. The next prime is 12913877. The reversal of 12913873 is 37831921.

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

It is not a de Polignac number, because 12913873 - 2¹ = 12913871 is a prime.

It is a Duffinian number.

12913873 is a modest number, since divided by 3873 gives 1291 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12913871) 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, 8323 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (1847560).

Almost surely, 2^12913873 is an apocalyptic number.

It is an amenable number.

12913873 is a deficient number, since it is larger than the sum of its proper divisors (1866607).

12913873 is a wasteful number, since it uses less digits than its factorization.

12913873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its digits is 9072, while the sum is 34.

The square root of 12913873 is about 3593.5877615553. The cubic root of 12913873 is about 234.6130526605.

The spelling of 12913873 in words is "twelve million, nine hundred thirteen thousand, eight hundred seventy-three".