12695380994 has 8 divisors (see below), whose sum is σ = 19061402880. Its totient is φ = 6341580036.

The previous prime is 12695380987. The next prime is 12695381009. The reversal of 12695380994 is 49908359621.

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

It is a super-2 number, since 2×12695380994² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052634 + ... + 3056789.

It is an arithmetic number, because the mean of its divisors is an integer number (2382675360).

Almost surely, 2^12695380994 is an apocalyptic number.

12695380994 is a deficient number, since it is larger than the sum of its proper divisors (6366021886).

12695380994 is a wasteful number, since it uses less digits than its factorization.

12695380994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110464.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 12695380994 in words is "twelve billion, six hundred ninety-five million, three hundred eighty thousand, nine hundred ninety-four".