12472765 has 4 divisors (see below), whose sum is σ = 14967324. Its totient is φ = 9978208.

The previous prime is 12472753. The next prime is 12472799. The reversal of 12472765 is 56727421.

12472765 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 4571044 = 2811^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12472765 - 2⁷ = 12472637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12472765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247272 + ... + 1247281.

It is an arithmetic number, because the mean of its divisors is an integer number (3741831).

Almost surely, 2^12472765 is an apocalyptic number.

It is an amenable number.

12472765 is a deficient number, since it is larger than the sum of its proper divisors (2494559).

12472765 is an equidigital number, since it uses as much as digits as its factorization.

12472765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494558.

The product of its digits is 23520, while the sum is 34.

The square root of 12472765 is about 3531.6801950347. The cubic root of 12472765 is about 231.9107675564.

The spelling of 12472765 in words is "twelve million, four hundred seventy-two thousand, seven hundred sixty-five".