12724822 has 8 divisors (see below), whose sum is σ = 20822472. Its totient is φ = 5784000.

The previous prime is 12724807. The next prime is 12724853. The reversal of 12724822 is 22842721.

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

It is a super-3 number, since 3×12724822³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

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, 289179 + ... + 289222.

It is an arithmetic number, because the mean of its divisors is an integer number (2602809).

Almost surely, 2^12724822 is an apocalyptic number.

12724822 is a deficient number, since it is larger than the sum of its proper divisors (8097650).

12724822 is a wasteful number, since it uses less digits than its factorization.

12724822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578414.

The product of its digits is 3584, while the sum is 28.

The square root of 12724822 is about 3567.1868468024. The cubic root of 12724822 is about 233.4625574451.

The spelling of 12724822 in words is "twelve million, seven hundred twenty-four thousand, eight hundred twenty-two".