12889607 has 2 divisors, whose sum is σ = 12889608. Its totient is φ = 12889606.

The previous prime is 12889589. The next prime is 12889627. The reversal of 12889607 is 70698821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12889607 - 2⁸ = 12889351 is a prime.

It is a super-2 number, since 2×12889607² = 332283937228898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12889627) 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 as a sum of consecutive naturals, namely, 6444803 + 6444804.

It is an arithmetic number, because the mean of its divisors is an integer number (6444804).

Almost surely, 2^12889607 is an apocalyptic number.

12889607 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889607 is an equidigital number, since it uses as much as digits as its factorization.

12889607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 12889607 is about 3590.2098824442. The cubic root of 12889607 is about 234.4660095032.

The spelling of 12889607 in words is "twelve million, eight hundred eighty-nine thousand, six hundred seven".