12477072 has 40 divisors (see below), whose sum is σ = 33931360. Its totient is φ = 3939840.

The previous prime is 12477067. The next prime is 12477077. The reversal of 12477072 is 27077421.

It is an interprime number because it is at equal distance from previous prime (12477067) and next prime (12477077).

It is not an unprimeable number, because it can be changed into a prime (12477077) 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 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (848284).

Almost surely, 2^12477072 is an apocalyptic number.

12477072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12477072 is an abundant number, since it is smaller than the sum of its proper divisors (21454288).

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

12477072 is a wasteful number, since it uses less digits than its factorization.

12477072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711 (or 13705 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12477072 is about 3532.2899088269. The cubic root of 12477072 is about 231.9374583697.

The spelling of 12477072 in words is "twelve million, four hundred seventy-seven thousand, seventy-two".