12684342 has 16 divisors (see below), whose sum is σ = 27675072. Its totient is φ = 3843720.

The previous prime is 12684323. The next prime is 12684359. The reversal of 12684342 is 24348621.

It is a congruent number.

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, 96028 + ... + 96159.

It is an arithmetic number, because the mean of its divisors is an integer number (1729692).

Almost surely, 2^12684342 is an apocalyptic number.

12684342 is an abundant number, since it is smaller than the sum of its proper divisors (14990730).

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

12684342 is a wasteful number, since it uses less digits than its factorization.

12684342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192203.

The product of its digits is 9216, while the sum is 30.

The square root of 12684342 is about 3561.5083883096. The cubic root of 12684342 is about 233.2147320164.

The spelling of 12684342 in words is "twelve million, six hundred eighty-four thousand, three hundred forty-two".