12047580 has 36 divisors (see below), whose sum is σ = 36544872. Its totient is φ = 3212640.

The previous prime is 12047573. The next prime is 12047591. The reversal of 12047580 is 8574021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33286 + ... + 33645.

Almost surely, 2^12047580 is an apocalyptic number.

12047580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12047580 is an abundant number, since it is smaller than the sum of its proper divisors (24497292).

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

12047580 is a wasteful number, since it uses less digits than its factorization.

12047580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66946 (or 66941 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12047580 is about 3470.9624025621. The cubic root of 12047580 is about 229.2450356027.

The spelling of 12047580 in words is "twelve million, forty-seven thousand, five hundred eighty".