12689472007 has 2 divisors, whose sum is σ = 12689472008. Its totient is φ = 12689472006.

The previous prime is 12689472001. The next prime is 12689472041. The reversal of 12689472007 is 70027498621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12689472007 - 2³ = 12689471999 is a prime.

It is a super-2 number, since 2×12689472007² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12689472001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344736003 + 6344736004.

It is an arithmetic number, because the mean of its divisors is an integer number (6344736004).

Almost surely, 2^12689472007 is an apocalyptic number.

12689472007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12689472007 is an equidigital number, since it uses as much as digits as its factorization.

12689472007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 12689472007 in words is "twelve billion, six hundred eighty-nine million, four hundred seventy-two thousand, seven".