12782480 has 40 divisors (see below), whose sum is σ = 31015872. Its totient is φ = 4889984.

The previous prime is 12782479. The next prime is 12782513. The reversal of 12782480 is 8428721.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 5313.

Almost surely, 2^12782480 is an apocalyptic number.

12782480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12782480 is an abundant number, since it is smaller than the sum of its proper divisors (18233392).

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

12782480 is a wasteful number, since it uses less digits than its factorization.

12782480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 12782480 is about 3575.2594311462. The cubic root of 12782480 is about 233.8146436785.

The spelling of 12782480 in words is "twelve million, seven hundred eighty-two thousand, four hundred eighty".