12392980 has 24 divisors (see below), whose sum is σ = 26130888. Its totient is φ = 4937088.

The previous prime is 12392953. The next prime is 12392981. The reversal of 12392980 is 8929321.

It can be written as a sum of positive squares in 4 ways, for example, as 1089936 + 11303044 = 1044^2 + 3362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12392981) 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, 4422 + ... + 6658.

It is an arithmetic number, because the mean of its divisors is an integer number (1088787).

Almost surely, 2^12392980 is an apocalyptic number.

12392980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12392980 is an abundant number, since it is smaller than the sum of its proper divisors (13737908).

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

12392980 is a wasteful number, since it uses less digits than its factorization.

12392980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12392980 is about 3520.3664581972. The cubic root of 12392980 is about 231.4152186720.

The spelling of 12392980 in words is "twelve million, three hundred ninety-two thousand, nine hundred eighty".