12742646 has 12 divisors (see below), whose sum is σ = 22234788. Its totient is φ = 5461092.

The previous prime is 12742637. The next prime is 12742651. The reversal of 12742646 is 64624721.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64916 + ... + 65111.

It is an arithmetic number, because the mean of its divisors is an integer number (1852899).

Almost surely, 2^12742646 is an apocalyptic number.

12742646 is a deficient number, since it is larger than the sum of its proper divisors (9492142).

12742646 is a wasteful number, since it uses less digits than its factorization.

12742646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130043 (or 130036 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 12742646 is about 3569.6842997666. The cubic root of 12742646 is about 233.5715123475.

The spelling of 12742646 in words is "twelve million, seven hundred forty-two thousand, six hundred forty-six".