12493642 has 32 divisors (see below), whose sum is σ = 22325760. Its totient is φ = 5132160.

The previous prime is 12493639. The next prime is 12493667. The reversal of 12493642 is 24639421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45967 + ... + 46237.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

Almost surely, 2^12493642 is an apocalyptic number.

12493642 is a deficient number, since it is larger than the sum of its proper divisors (9832118).

12493642 is a wasteful number, since it uses less digits than its factorization.

12493642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 10368, while the sum is 31.

The square root of 12493642 is about 3534.6346345839. The cubic root of 12493642 is about 232.0400867116.

The spelling of 12493642 in words is "twelve million, four hundred ninety-three thousand, six hundred forty-two".