11980536 has 16 divisors (see below), whose sum is σ = 29951400. Its totient is φ = 3993504.

The previous prime is 11980523. The next prime is 11980537. The reversal of 11980536 is 63508911.

It is a junction number, because it is equal to n+sod(n) for n = 11980497 and 11980506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980537) 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, 249571 + ... + 249618.

Almost surely, 2^11980536 is an apocalyptic number.

It is an amenable number.

11980536 is an abundant number, since it is smaller than the sum of its proper divisors (17970864).

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

11980536 is a wasteful number, since it uses less digits than its factorization.

11980536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499198 (or 499194 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11980536 is about 3461.2910885969. The cubic root of 11980536 is about 228.8189997589.

The spelling of 11980536 in words is "eleven million, nine hundred eighty thousand, five hundred thirty-six".