12494894236 has 24 divisors (see below), whose sum is σ = 23883012720. Its totient is φ = 5672563200.

The previous prime is 12494894231. The next prime is 12494894261. The reversal of 12494894236 is 63249849421.

It is a super-2 number, since 2×12494894236² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494894231) 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, 136821 + ... + 209068.

It is an arithmetic number, because the mean of its divisors is an integer number (995125530).

Almost surely, 2^12494894236 is an apocalyptic number.

It is an amenable number.

12494894236 is a deficient number, since it is larger than the sum of its proper divisors (11388118484).

12494894236 is a wasteful number, since it uses less digits than its factorization.

12494894236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346725 (or 346723 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 12494894236 in words is "twelve billion, four hundred ninety-four million, eight hundred ninety-four thousand, two hundred thirty-six".