12570990 has 48 divisors (see below), whose sum is σ = 32149872. Its totient is φ = 3134976.

The previous prime is 12570979. The next prime is 12570997. The reversal of 12570990 is 9907521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79992 + ... + 80148.

It is an arithmetic number, because the mean of its divisors is an integer number (669789).

Almost surely, 2^12570990 is an apocalyptic number.

12570990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12570990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16074936).

12570990 is an abundant number, since it is smaller than the sum of its proper divisors (19578882).

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

12570990 is a wasteful number, since it uses less digits than its factorization.

12570990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 12570990 is about 3545.5591942598. The cubic root of 12570990 is about 232.5179544465.

The spelling of 12570990 in words is "twelve million, five hundred seventy thousand, nine hundred ninety".