11697636 has 12 divisors (see below), whose sum is σ = 27294512. Its totient is φ = 3899208.

The previous prime is 11697611. The next prime is 11697641. The reversal of 11697636 is 63679611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11697594 and 11697603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487390 + ... + 487413.

Almost surely, 2^11697636 is an apocalyptic number.

It is an amenable number.

11697636 is an abundant number, since it is smaller than the sum of its proper divisors (15596876).

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

11697636 is a wasteful number, since it uses less digits than its factorization.

11697636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974810 (or 974808 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 11697636 is about 3420.1806969808. The cubic root of 11697636 is about 227.0035772173.

The spelling of 11697636 in words is "eleven million, six hundred ninety-seven thousand, six hundred thirty-six".