12707489 has 8 divisors (see below), whose sum is σ = 13423872. Its totient is φ = 12010320.

The previous prime is 12707413. The next prime is 12707501. The reversal of 12707489 is 98470721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12707489 is a prime.

It is a super-2 number, since 2×12707489² = 322960553370242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12700489) 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 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (1677984).

Almost surely, 2^12707489 is an apocalyptic number.

It is an amenable number.

12707489 is a deficient number, since it is larger than the sum of its proper divisors (716383).

12707489 is an equidigital number, since it uses as much as digits as its factorization.

12707489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12707489 is about 3564.7565134242. The cubic root of 12707489 is about 233.3565063153.

The spelling of 12707489 in words is "twelve million, seven hundred seven thousand, four hundred eighty-nine".