12620507 has 4 divisors (see below), whose sum is σ = 12629760. Its totient is φ = 12611256.

The previous prime is 12620501. The next prime is 12620521. The reversal of 12620507 is 70502621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12620507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12620501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (3157440).

Almost surely, 2^12620507 is an apocalyptic number.

12620507 is a deficient number, since it is larger than the sum of its proper divisors (9253).

12620507 is an equidigital number, since it uses as much as digits as its factorization.

12620507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12620507 is about 3552.5352918726. The cubic root of 12620507 is about 232.8228497448.

The spelling of 12620507 in words is "twelve million, six hundred twenty thousand, five hundred seven".