12339880 has 32 divisors (see below), whose sum is σ = 31731840. Its totient is φ = 4230720.

The previous prime is 12339863. The next prime is 12339889. The reversal of 12339880 is 8893321.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12339889) 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 7 ways as a sum of consecutive naturals, for example, 21756 + ... + 22315.

It is an arithmetic number, because the mean of its divisors is an integer number (991620).

Almost surely, 2^12339880 is an apocalyptic number.

12339880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12339880 is an abundant number, since it is smaller than the sum of its proper divisors (19391960).

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

12339880 is a wasteful number, since it uses less digits than its factorization.

12339880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44089 (or 44085 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 12339880 is about 3512.8165337803. The cubic root of 12339880 is about 231.0842318208.

The spelling of 12339880 in words is "twelve million, three hundred thirty-nine thousand, eight hundred eighty".