12700907 has 4 divisors (see below), whose sum is σ = 12720840. Its totient is φ = 12680976.

The previous prime is 12700903. The next prime is 12700913. The reversal of 12700907 is 70900721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70900721 = 2927 ⋅24223.

It is a cyclic number.

It is not a de Polignac number, because 12700907 - 2² = 12700903 is a prime.

It is a super-2 number, since 2×12700907² = 322626077245298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12700901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (3180210).

Almost surely, 2^12700907 is an apocalyptic number.

12700907 is a deficient number, since it is larger than the sum of its proper divisors (19933).

12700907 is an equidigital number, since it uses as much as digits as its factorization.

12700907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 12700907 is about 3563.8331891378. The cubic root of 12700907 is about 233.3162094009.

The spelling of 12700907 in words is "twelve million, seven hundred thousand, nine hundred seven".