11869636 has 6 divisors (see below), whose sum is σ = 20771870. Its totient is φ = 5934816.

The previous prime is 11869631. The next prime is 11869639. The reversal of 11869636 is 63696811.

11869636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 2869636 = 3000^2 + 1694^2 .

It is not an unprimeable number, because it can be changed into a prime (11869631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483701 + ... + 1483708.

Almost surely, 2^11869636 is an apocalyptic number.

It is an amenable number.

11869636 is a deficient number, since it is larger than the sum of its proper divisors (8902234).

11869636 is a wasteful number, since it uses less digits than its factorization.

11869636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967413 (or 2967411 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 11869636 is about 3445.2338091921. The cubic root of 11869636 is about 228.1107751435.

The spelling of 11869636 in words is "eleven million, eight hundred sixty-nine thousand, six hundred thirty-six".