12894280 has 32 divisors (see below), whose sum is σ = 33157440. Its totient is φ = 4420800.

The previous prime is 12894269. The next prime is 12894341. The reversal of 12894280 is 8249821.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22746 + ... + 23305.

It is an arithmetic number, because the mean of its divisors is an integer number (1036170).

Almost surely, 2^12894280 is an apocalyptic number.

12894280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12894280 is an abundant number, since it is smaller than the sum of its proper divisors (20263160).

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

12894280 is a wasteful number, since it uses less digits than its factorization.

12894280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46069 (or 46065 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 12894280 is about 3590.8606210768. The cubic root of 12894280 is about 234.4943405268.

The spelling of 12894280 in words is "twelve million, eight hundred ninety-four thousand, two hundred eighty".