12861946074 has 16 divisors (see below), whose sum is σ = 26159891040. Its totient is φ = 4214648880.

The previous prime is 12861946073. The next prime is 12861946079. The reversal of 12861946074 is 47064916821.

It is not an unprimeable number, because it can be changed into a prime (12861946073) 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, 18166237 + ... + 18166944.

It is an arithmetic number, because the mean of its divisors is an integer number (1634993190).

Almost surely, 2^12861946074 is an apocalyptic number.

12861946074 is an abundant number, since it is smaller than the sum of its proper divisors (13297944966).

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

12861946074 is a wasteful number, since it uses less digits than its factorization.

12861946074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36333245.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12861946074 in words is "twelve billion, eight hundred sixty-one million, nine hundred forty-six thousand, seventy-four".