12479642 has 16 divisors (see below), whose sum is σ = 21688512. Its totient is φ = 5274720.

The previous prime is 12479633. The next prime is 12479647. The reversal of 12479642 is 24697421.

It is not an unprimeable number, because it can be changed into a prime (12479647) 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, 5084 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1355532).

Almost surely, 2^12479642 is an apocalyptic number.

12479642 is a deficient number, since it is larger than the sum of its proper divisors (9208870).

12479642 is a wasteful number, since it uses less digits than its factorization.

12479642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293.

The product of its digits is 24192, while the sum is 35.

The square root of 12479642 is about 3532.6536767705. The cubic root of 12479642 is about 231.9533819332.

The spelling of 12479642 in words is "twelve million, four hundred seventy-nine thousand, six hundred forty-two".