12436745 has 4 divisors (see below), whose sum is σ = 14924100. Its totient is φ = 9949392.

The previous prime is 12436709. The next prime is 12436751. The reversal of 12436745 is 54763421.

12436745 is digitally balanced in base 2 and base 3, because in such bases 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 9412624 + 3024121 = 3068^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 12436745 - 2⁶ = 12436681 is a prime.

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, 1243670 + ... + 1243679.

It is an arithmetic number, because the mean of its divisors is an integer number (3731025).

Almost surely, 2^12436745 is an apocalyptic number.

It is an amenable number.

12436745 is a deficient number, since it is larger than the sum of its proper divisors (2487355).

12436745 is an equidigital number, since it uses as much as digits as its factorization.

12436745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487354.

The product of its digits is 20160, while the sum is 32.

The square root of 12436745 is about 3526.5769522300. The cubic root of 12436745 is about 231.6873078814.

The spelling of 12436745 in words is "twelve million, four hundred thirty-six thousand, seven hundred forty-five".