12574945 has 4 divisors (see below), whose sum is σ = 15089940. Its totient is φ = 10059952.

The previous prime is 12574937. The next prime is 12574957. The reversal of 12574945 is 54947521.

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 3381921 + 9193024 = 1839^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12574945 - 2³ = 12574937 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, 1257490 + ... + 1257499.

It is an arithmetic number, because the mean of its divisors is an integer number (3772485).

Almost surely, 2^12574945 is an apocalyptic number.

It is an amenable number.

12574945 is a deficient number, since it is larger than the sum of its proper divisors (2514995).

12574945 is an equidigital number, since it uses as much as digits as its factorization.

12574945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514994.

The product of its digits is 50400, while the sum is 37.

The square root of 12574945 is about 3546.1168903464. The cubic root of 12574945 is about 232.5423362994.

The spelling of 12574945 in words is "twelve million, five hundred seventy-four thousand, nine hundred forty-five".