12472845 has 32 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5183040.

The previous prime is 12472829. The next prime is 12472847. The reversal of 12472845 is 54827421.

12472845 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12472845 - 2⁴ = 12472829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4245 + ... + 6554.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^12472845 is an apocalyptic number.

12472845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12472845 is a deficient number, since it is larger than the sum of its proper divisors (12410355).

12472845 is a wasteful number, since it uses less digits than its factorization.

12472845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825.

The product of its digits is 17920, while the sum is 33.

The square root of 12472845 is about 3531.6915210703. The cubic root of 12472845 is about 231.9112633786.

The spelling of 12472845 in words is "twelve million, four hundred seventy-two thousand, eight hundred forty-five".