12724396 has 12 divisors (see below), whose sum is σ = 22332240. Its totient is φ = 6343760.

The previous prime is 12724351. The next prime is 12724421. The reversal of 12724396 is 69342721.

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, 2995 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (1861020).

Almost surely, 2^12724396 is an apocalyptic number.

It is an amenable number.

12724396 is a deficient number, since it is larger than the sum of its proper divisors (9607844).

12724396 is a wasteful number, since it uses less digits than its factorization.

12724396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224 (or 9222 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 12724396 is about 3567.1271353850. The cubic root of 12724396 is about 233.4599521393.

The spelling of 12724396 in words is "twelve million, seven hundred twenty-four thousand, three hundred ninety-six".