12752280 has 48 divisors (see below), whose sum is σ = 41446080. Its totient is φ = 3400512.

The previous prime is 12752279. The next prime is 12752291. The reversal of 12752280 is 8225721.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17352 + ... + 18071.

It is an arithmetic number, because the mean of its divisors is an integer number (863460).

Almost surely, 2^12752280 is an apocalyptic number.

12752280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12752280 is an abundant number, since it is smaller than the sum of its proper divisors (28693800).

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

12752280 is a wasteful number, since it uses less digits than its factorization.

12752280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440 (or 35433 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12752280 is about 3571.0334638589. The cubic root of 12752280 is about 233.6303609597.

It can be divided in two parts, 1 and 2752280, that added together give a square (2752281 = 1659²).

The spelling of 12752280 in words is "twelve million, seven hundred fifty-two thousand, two hundred eighty".