12932280 has 48 divisors (see below), whose sum is σ = 42031080. Its totient is φ = 3448512.

The previous prime is 12932267. The next prime is 12932281. The reversal of 12932280 is 8223921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12932281) 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 11 ways as a sum of consecutive naturals, for example, 17602 + ... + 18321.

Almost surely, 2^12932280 is an apocalyptic number.

12932280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12932280 is an abundant number, since it is smaller than the sum of its proper divisors (29098800).

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

12932280 is a wasteful number, since it uses less digits than its factorization.

12932280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35940 (or 35933 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12932280 is about 3596.1479391149. The cubic root of 12932280 is about 234.7244695906.

The spelling of 12932280 in words is "twelve million, nine hundred thirty-two thousand, two hundred eighty".