11946636 has 96 divisors (see below), whose sum is σ = 34119680. Its totient is φ = 3592512.

The previous prime is 11946629. The next prime is 11946643. The reversal of 11946636 is 63664911.

11946636 is a `hidden beast` number, since 1 + 19 + 4 + 6 + 636 = 666.

It is an interprime number because it is at equal distance from previous prime (11946629) and next prime (11946643).

It is a super-2 number, since 2×11946636² = 285444223432992, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11946636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94005 + ... + 94131.

Almost surely, 2^11946636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11946636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17059840).

11946636 is an abundant number, since it is smaller than the sum of its proper divisors (22173044).

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

11946636 is a wasteful number, since it uses less digits than its factorization.

11946636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 11946636 is about 3456.3906029267. The cubic root of 11946636 is about 228.6029745895.

The spelling of 11946636 in words is "eleven million, nine hundred forty-six thousand, six hundred thirty-six".