12694179340 has 12 divisors (see below), whose sum is σ = 26657776656. Its totient is φ = 5077671728.

The previous prime is 12694179271. The next prime is 12694179341. The reversal of 12694179340 is 4397149621.

It is a super-2 number, since 2×12694179340² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12694179341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317354464 + ... + 317354503.

It is an arithmetic number, because the mean of its divisors is an integer number (2221481388).

Almost surely, 2^12694179340 is an apocalyptic number.

12694179340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12694179340 is an abundant number, since it is smaller than the sum of its proper divisors (13963597316).

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

12694179340 is a wasteful number, since it uses less digits than its factorization.

12694179340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634708976 (or 634708974 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 12694179340 in words is "twelve billion, six hundred ninety-four million, one hundred seventy-nine thousand, three hundred forty".