12512880 has 100 divisors (see below), whose sum is σ = 43481592. Its totient is φ = 3335040.

The previous prime is 12512839. The next prime is 12512881. The reversal of 12512880 is 8821521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5515 + ... + 7445.

Almost surely, 2^12512880 is an apocalyptic number.

12512880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12512880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21740796).

12512880 is an abundant number, since it is smaller than the sum of its proper divisors (30968712).

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

12512880 is a wasteful number, since it uses less digits than its factorization.

12512880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12512880 is about 3537.3549440224. The cubic root of 12512880 is about 232.1591258703.

The spelling of 12512880 in words is "twelve million, five hundred twelve thousand, eight hundred eighty".