12639414 has 16 divisors (see below), whose sum is σ = 25316352. Its totient is φ = 4206888.

The previous prime is 12639379. The next prime is 12639433. The reversal of 12639414 is 41493621.

12639414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4827 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (1582272).

Almost surely, 2^12639414 is an apocalyptic number.

12639414 is an abundant number, since it is smaller than the sum of its proper divisors (12676938).

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

12639414 is a wasteful number, since it uses less digits than its factorization.

12639414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its digits is 5184, while the sum is 30.

The square root of 12639414 is about 3555.1953532823. The cubic root of 12639414 is about 232.9390570472.

The spelling of 12639414 in words is "twelve million, six hundred thirty-nine thousand, four hundred fourteen".