12939914 has 8 divisors (see below), whose sum is σ = 20902980. Its totient is φ = 5972256.

The previous prime is 12939889. The next prime is 12939919. The reversal of 12939914 is 41993921.

It can be written as a sum of positive squares in 2 ways, for example, as 9394225 + 3545689 = 3065^2 + 1883^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12939919) 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, 248819 + ... + 248870.

Almost surely, 2^12939914 is an apocalyptic number.

12939914 is a deficient number, since it is larger than the sum of its proper divisors (7963066).

12939914 is a wasteful number, since it uses less digits than its factorization.

12939914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497704.

The product of its digits is 17496, while the sum is 38.

The square root of 12939914 is about 3597.2091960296. The cubic root of 12939914 is about 234.7706469115.

The spelling of 12939914 in words is "twelve million, nine hundred thirty-nine thousand, nine hundred fourteen".