12504745 has 16 divisors (see below), whose sum is σ = 16513920. Its totient is φ = 9089520.

The previous prime is 12504721. The next prime is 12504757. The reversal of 12504745 is 54740521.

It is not a de Polignac number, because 12504745 - 2¹⁹ = 11980457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5716 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (1032120).

Almost surely, 2^12504745 is an apocalyptic number.

It is an amenable number.

12504745 is a deficient number, since it is larger than the sum of its proper divisors (4009175).

12504745 is an equidigital number, since it uses as much as digits as its factorization.

12504745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12504745 is about 3536.2048865981. The cubic root of 12504745 is about 232.1088037510.

It can be divided in two parts, 1250 and 4745, that added together give a palindrome (5995).

The spelling of 12504745 in words is "twelve million, five hundred four thousand, seven hundred forty-five".