12724474 has 32 divisors (see below), whose sum is σ = 23316480. Its totient is φ = 5089392.

The previous prime is 12724469. The next prime is 12724487. The reversal of 12724474 is 47442721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13387 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (728640).

Almost surely, 2^12724474 is an apocalyptic number.

12724474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12724474 is a deficient number, since it is larger than the sum of its proper divisors (10592006).

12724474 is a wasteful number, since it uses less digits than its factorization.

12724474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its digits is 12544, while the sum is 31.

The square root of 12724474 is about 3567.1380685362. The cubic root of 12724474 is about 233.4604291715.

The spelling of 12724474 in words is "twelve million, seven hundred twenty-four thousand, four hundred seventy-four".