12913634 has 8 divisors (see below), whose sum is σ = 19429968. Its totient is φ = 6436980.

The previous prime is 12913601. The next prime is 12913643. The reversal of 12913634 is 43631921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12913597 and 12913606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9092 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (2428746).

Almost surely, 2^12913634 is an apocalyptic number.

12913634 is a deficient number, since it is larger than the sum of its proper divisors (6516334).

12913634 is a wasteful number, since it uses less digits than its factorization.

12913634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19840.

The product of its digits is 3888, while the sum is 29.

The square root of 12913634 is about 3593.5545077263. The cubic root of 12913634 is about 234.6116053058.

The spelling of 12913634 in words is "twelve million, nine hundred thirteen thousand, six hundred thirty-four".