11980012 has 24 divisors (see below), whose sum is σ = 23611392. Its totient is φ = 5269200.

The previous prime is 11979997. The next prime is 11980021. The reversal of 11980012 is 21008911.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^11980012 is an apocalyptic number.

It is an amenable number.

11980012 is a deficient number, since it is larger than the sum of its proper divisors (11631380).

11980012 is a wasteful number, since it uses less digits than its factorization.

11980012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829 (or 8827 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 11980012 is about 3461.2153934709. The cubic root of 11980012 is about 228.8156637116.

Adding to 11980012 its reverse (21008911), we get a palindrome (32988923).

The spelling of 11980012 in words is "eleven million, nine hundred eighty thousand, twelve".