12792280 has 32 divisors (see below), whose sum is σ = 28923840. Its totient is φ = 5091840.

The previous prime is 12792271. The next prime is 12792323. The reversal of 12792280 is 8229721.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 8977 + ... + 10303.

It is an arithmetic number, because the mean of its divisors is an integer number (903870).

Almost surely, 2^12792280 is an apocalyptic number.

12792280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12792280 is an abundant number, since it is smaller than the sum of its proper divisors (16131560).

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

12792280 is a wasteful number, since it uses less digits than its factorization.

12792280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12792280 is about 3576.6296984731. The cubic root of 12792280 is about 233.8743816473.

The spelling of 12792280 in words is "twelve million, seven hundred ninety-two thousand, two hundred eighty".