12694607842 has 16 divisors (see below), whose sum is σ = 22512605760. Its totient is φ = 5252941008.

The previous prime is 12694607839. The next prime is 12694607869. The reversal of 12694607842 is 24870649621.

It is a super-2 number, since 2×12694607842² (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, 15633348 + ... + 15634159.

It is an arithmetic number, because the mean of its divisors is an integer number (1407037860).

Almost surely, 2^12694607842 is an apocalyptic number.

12694607842 is a deficient number, since it is larger than the sum of its proper divisors (9817997918).

12694607842 is a wasteful number, since it uses less digits than its factorization.

12694607842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31267545.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 12694607842 in words is "twelve billion, six hundred ninety-four million, six hundred seven thousand, eight hundred forty-two".