12669580 has 96 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 3732480.

The previous prime is 12669571. The next prime is 12669617. The reversal of 12669580 is 8596621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29044 + ... + 29476.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 2^12669580 is an apocalyptic number.

12669580 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 12669580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

12669580 is an abundant number, since it is smaller than the sum of its proper divisors (22328180).

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

12669580 is a wasteful number, since it uses less digits than its factorization.

12669580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 12669580 is about 3559.4353484787. The cubic root of 12669580 is about 233.1242253566.

The spelling of 12669580 in words is "twelve million, six hundred sixty-nine thousand, five hundred eighty".