12504907 has 4 divisors (see below), whose sum is σ = 13163080. Its totient is φ = 11846736.

The previous prime is 12504889. The next prime is 12504917. The reversal of 12504907 is 70940521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70940521 = 211 ⋅336211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329058 + ... + 329095.

It is an arithmetic number, because the mean of its divisors is an integer number (3290770).

Almost surely, 2^12504907 is an apocalyptic number.

12504907 is a deficient number, since it is larger than the sum of its proper divisors (658173).

12504907 is an equidigital number, since it uses as much as digits as its factorization.

12504907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658172.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12504907 is about 3536.2277924365. The cubic root of 12504907 is about 232.1098060762.

The spelling of 12504907 in words is "twelve million, five hundred four thousand, nine hundred seven".