12639014 has 8 divisors (see below), whose sum is σ = 19241688. Its totient is φ = 6225120.

The previous prime is 12638993. The next prime is 12639019. The reversal of 12639014 is 41093621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12639019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47027 + ... + 47294.

It is an arithmetic number, because the mean of its divisors is an integer number (2405211).

Almost surely, 2^12639014 is an apocalyptic number.

12639014 is a deficient number, since it is larger than the sum of its proper divisors (6602674).

12639014 is an equidigital number, since it uses as much as digits as its factorization.

12639014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94390.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12639014 is about 3555.1390971381. The cubic root of 12639014 is about 232.9365997443.

The spelling of 12639014 in words is "twelve million, six hundred thirty-nine thousand, fourteen".