12251580 has 96 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 2810880.

The previous prime is 12251567. The next prime is 12251581. The reversal of 12251580 is 8515221.

It is a self number, because there is not a number n which added to its sum of digits gives 12251580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12052 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (410760).

Almost surely, 2^12251580 is an apocalyptic number.

12251580 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 12251580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19716480).

12251580 is an abundant number, since it is smaller than the sum of its proper divisors (27181380).

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

12251580 is a wasteful number, since it uses less digits than its factorization.

12251580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 12251580 is about 3500.2257070080. The cubic root of 12251580 is about 230.5317250467.

The spelling of 12251580 in words is "twelve million, two hundred fifty-one thousand, five hundred eighty".