12706625 has 8 divisors (see below), whose sum is σ = 15858024. Its totient is φ = 10165200.

The previous prime is 12706609. The next prime is 12706627. The reversal of 12706625 is 52660721.

It can be written as a sum of positive squares in 4 ways, for example, as 146689 + 12559936 = 383^2 + 3544^2 .

It is not a de Polignac number, because 12706625 - 2⁴ = 12706609 is a prime.

It is a super-2 number, since 2×12706625² = 322916637781250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12706627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50702 + ... + 50951.

It is an arithmetic number, because the mean of its divisors is an integer number (1982253).

Almost surely, 2^12706625 is an apocalyptic number.

It is an amenable number.

12706625 is a deficient number, since it is larger than the sum of its proper divisors (3151399).

12706625 is an equidigital number, since it uses as much as digits as its factorization.

12706625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101668 (or 101658 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12706625 is about 3564.6353249666. The cubic root of 12706625 is about 233.3512174501.

It can be divided in two parts, 12706 and 625, that added together give a palindrome (13331).

The spelling of 12706625 in words is "twelve million, seven hundred six thousand, six hundred twenty-five".