12049980 has 48 divisors (see below), whose sum is σ = 33925920. Its totient is φ = 3195648.

The previous prime is 12049967. The next prime is 12049997. The reversal of 12049980 is 8994021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13302 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (706790).

Almost surely, 2^12049980 is an apocalyptic number.

12049980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12049980 is an abundant number, since it is smaller than the sum of its proper divisors (21875940).

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

12049980 is a wasteful number, since it uses less digits than its factorization.

12049980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12049980 is about 3471.3081107848. The cubic root of 12049980 is about 229.2602572366.

The spelling of 12049980 in words is "twelve million, forty-nine thousand, nine hundred eighty".