12689796 has 48 divisors (see below), whose sum is σ = 35624960. Its totient is φ = 3434400.

The previous prime is 12689783. The next prime is 12689797. The reversal of 12689796 is 69798621.

It is a super-3 number, since 3×12689796³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12689797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380 + ... + 5571.

Almost surely, 2^12689796 is an apocalyptic number.

It is an amenable number.

12689796 is an abundant number, since it is smaller than the sum of its proper divisors (22935164).

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

12689796 is a wasteful number, since it uses less digits than its factorization.

12689796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984 (or 7982 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 12689796 is about 3562.2739928310. The cubic root of 12689796 is about 233.2481530350.

The spelling of 12689796 in words is "twelve million, six hundred eighty-nine thousand, seven hundred ninety-six".