12724394 has 8 divisors (see below), whose sum is σ = 19193760. Its totient is φ = 6326476.

The previous prime is 12724351. The next prime is 12724421. The reversal of 12724394 is 49342721.

12724394 = T₂₈₄ + T₂₈₅ + ... + T₄₆₂.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12724394.

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, 17414 + ... + 18129.

It is an arithmetic number, because the mean of its divisors is an integer number (2399220).

Almost surely, 2^12724394 is an apocalyptic number.

12724394 is a deficient number, since it is larger than the sum of its proper divisors (6469366).

12724394 is a wasteful number, since it uses less digits than its factorization.

12724394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35724.

The product of its digits is 12096, while the sum is 32.

The square root of 12724394 is about 3567.1268550474. The cubic root of 12724394 is about 233.4599399077.

The spelling of 12724394 in words is "twelve million, seven hundred twenty-four thousand, three hundred ninety-four".