12975788 has 36 divisors (see below), whose sum is σ = 26621280. Its totient is φ = 5517792.

The previous prime is 12975779. The next prime is 12975791. The reversal of 12975788 is 88757921.

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, 46706 + ... + 46982.

It is an arithmetic number, because the mean of its divisors is an integer number (739480).

Almost surely, 2^12975788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12975788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13310640).

12975788 is an abundant number, since it is smaller than the sum of its proper divisors (13645492).

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

12975788 is a wasteful number, since it uses less digits than its factorization.

12975788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 525 counting only the distinct ones).

The product of its digits is 282240, while the sum is 47.

The square root of 12975788 is about 3602.1921103684. The cubic root of 12975788 is about 234.9874023728.

The spelling of 12975788 in words is "twelve million, nine hundred seventy-five thousand, seven hundred eighty-eight".