12913958 has 8 divisors (see below), whose sum is σ = 20390520. Its totient is φ = 6117120.

The previous prime is 12913933. The next prime is 12913969. The reversal of 12913958 is 85931921.

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

It is a super-2 number, since 2×12913958² = 333540622451528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 339841 = 12913958 / (1 + 2 + 9 + 1 + 3 + 9 + 5 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169883 + ... + 169958.

It is an arithmetic number, because the mean of its divisors is an integer number (2548815).

Almost surely, 2^12913958 is an apocalyptic number.

12913958 is a deficient number, since it is larger than the sum of its proper divisors (7476562).

12913958 is a wasteful number, since it uses less digits than its factorization.

12913958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339862.

The product of its digits is 19440, while the sum is 38.

The square root of 12913958 is about 3593.5995881567. The cubic root of 12913958 is about 234.6135674058.

The spelling of 12913958 in words is "twelve million, nine hundred thirteen thousand, nine hundred fifty-eight".