12699886 has 8 divisors (see below), whose sum is σ = 19096344. Its totient is φ = 6334440.

The previous prime is 12699877. The next prime is 12699899. The reversal of 12699886 is 68899621.

It is a happy number.

12699886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12699886² = 322574208825992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700 + ... + 8383.

It is an arithmetic number, because the mean of its divisors is an integer number (2387043).

Almost surely, 2^12699886 is an apocalyptic number.

12699886 is a deficient number, since it is larger than the sum of its proper divisors (6396458).

12699886 is a wasteful number, since it uses less digits than its factorization.

12699886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15506.

The product of its digits is 373248, while the sum is 49.

The square root of 12699886 is about 3563.6899416195. The cubic root of 12699886 is about 233.3099572954.

The spelling of 12699886 in words is "twelve million, six hundred ninety-nine thousand, eight hundred eighty-six".