12609442 has 16 divisors (see below), whose sum is σ = 19688832. Its totient is φ = 6051760.

The previous prime is 12609439. The next prime is 12609463. The reversal of 12609442 is 24490621.

It is a self number, because there is not a number n which added to its sum of digits gives 12609442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3717 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (1230552).

Almost surely, 2^12609442 is an apocalyptic number.

12609442 is a deficient number, since it is larger than the sum of its proper divisors (7079390).

12609442 is a wasteful number, since it uses less digits than its factorization.

12609442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12609442 is about 3550.9776118697. The cubic root of 12609442 is about 232.7547875535.

The spelling of 12609442 in words is "twelve million, six hundred nine thousand, four hundred forty-two".