12742404 has 12 divisors (see below), whose sum is σ = 29732304. Its totient is φ = 4247464.

The previous prime is 12742399. The next prime is 12742417. The reversal of 12742404 is 40424721.

It is a tau number, because it is divible by the number of its divisors (12).

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, 530922 + ... + 530945.

It is an arithmetic number, because the mean of its divisors is an integer number (2477692).

Almost surely, 2^12742404 is an apocalyptic number.

It is an amenable number.

12742404 is an abundant number, since it is smaller than the sum of its proper divisors (16989900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12742404 is a wasteful number, since it uses less digits than its factorization.

12742404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061874 (or 1061872 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 12742404 is about 3569.6504030507. The cubic root of 12742404 is about 233.5700337257.

The spelling of 12742404 in words is "twelve million, seven hundred forty-two thousand, four hundred four".