12015480 has 32 divisors (see below), whose sum is σ = 36046800. Its totient is φ = 3204096.

The previous prime is 12015473. The next prime is 12015511. The reversal of 12015480 is 8451021.

It is a congruent number.

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, 49945 + ... + 50184.

Almost surely, 2^12015480 is an apocalyptic number.

12015480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12015480 is an abundant number, since it is smaller than the sum of its proper divisors (24031320).

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

12015480 is a wasteful number, since it uses less digits than its factorization.

12015480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100143 (or 100139 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12015480 is about 3466.3352405675. The cubic root of 12015480 is about 229.0412516343.

The spelling of 12015480 in words is "twelve million, fifteen thousand, four hundred eighty".