12699677 has 8 divisors (see below), whose sum is σ = 13259520. Its totient is φ = 12149280.

The previous prime is 12699671. The next prime is 12699679. The reversal of 12699677 is 77699621.

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

It is a cyclic number.

It is not a de Polignac number, because 12699677 - 2⁶ = 12699613 is a prime.

It is a super-2 number, since 2×12699677² = 322563591808658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699671) 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, 458 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (1657440).

Almost surely, 2^12699677 is an apocalyptic number.

It is an amenable number.

12699677 is a deficient number, since it is larger than the sum of its proper divisors (559843).

12699677 is an equidigital number, since it uses as much as digits as its factorization.

12699677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its digits is 285768, while the sum is 47.

The square root of 12699677 is about 3563.6606179601. The cubic root of 12699677 is about 233.3086774401.

The spelling of 12699677 in words is "twelve million, six hundred ninety-nine thousand, six hundred seventy-seven".