12695680986 has 16 divisors (see below), whose sum is σ = 25392990144. Its totient is φ = 4231622304.

The previous prime is 12695680979. The next prime is 12695680993. The reversal of 12695680986 is 68908659621.

It is an interprime number because it is at equal distance from previous prime (12695680979) and next prime (12695680993).

It is a super-2 number, since 2×12695680986² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49011 + ... + 166713.

It is an arithmetic number, because the mean of its divisors is an integer number (1587061884).

Almost surely, 2^12695680986 is an apocalyptic number.

12695680986 is an abundant number, since it is smaller than the sum of its proper divisors (12697309158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12695680986 is a wasteful number, since it uses less digits than its factorization.

12695680986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135685.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 12695680986 in words is "twelve billion, six hundred ninety-five million, six hundred eighty thousand, nine hundred eighty-six".