12697236 has 36 divisors (see below), whose sum is σ = 33287072. Its totient is φ = 4232088.

The previous prime is 12697207. The next prime is 12697261. The reversal of 12697236 is 63279621.

12697236 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12697236² = 322439604079392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12697236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560 + ... + 7503.

Almost surely, 2^12697236 is an apocalyptic number.

It is an amenable number.

12697236 is an abundant number, since it is smaller than the sum of its proper divisors (20589836).

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

12697236 is a wasteful number, since it uses less digits than its factorization.

12697236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082 (or 13068 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 12697236 is about 3563.3181165874. The cubic root of 12697236 is about 233.2937284254.

The spelling of 12697236 in words is "twelve million, six hundred ninety-seven thousand, two hundred thirty-six".