11980236 has 12 divisors (see below), whose sum is σ = 27953912. Its totient is φ = 3993408.

The previous prime is 11980231. The next prime is 11980247. The reversal of 11980236 is 63208911.

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

It is not an unprimeable number, because it can be changed into a prime (11980231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499165 + ... + 499188.

Almost surely, 2^11980236 is an apocalyptic number.

It is an amenable number.

11980236 is an abundant number, since it is smaller than the sum of its proper divisors (15973676).

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

11980236 is a wasteful number, since it uses less digits than its factorization.

11980236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998360 (or 998358 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11980236 is about 3461.2477518953. The cubic root of 11980236 is about 228.8170898200.

The spelling of 11980236 in words is "eleven million, nine hundred eighty thousand, two hundred thirty-six".