12609942 has 8 divisors (see below), whose sum is σ = 25219896. Its totient is φ = 4203312.

The previous prime is 12609931. The next prime is 12609953. The reversal of 12609942 is 24990621.

It is an interprime number because it is at equal distance from previous prime (12609931) and next prime (12609953).

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

12609942 is an admirable number.

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, 1050823 + ... + 1050834.

It is an arithmetic number, because the mean of its divisors is an integer number (3152487).

Almost surely, 2^12609942 is an apocalyptic number.

12609942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12609942 is a wasteful number, since it uses less digits than its factorization.

12609942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101662.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 12609942 is about 3551.0480143192. The cubic root of 12609942 is about 232.7578639745.

The spelling of 12609942 in words is "twelve million, six hundred nine thousand, nine hundred forty-two".