12570940 has 12 divisors (see below), whose sum is σ = 26399016. Its totient is φ = 5028368.

The previous prime is 12570937. The next prime is 12570947. The reversal of 12570940 is 4907521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12570899 and 12570908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314254 + ... + 314293.

It is an arithmetic number, because the mean of its divisors is an integer number (2199918).

Almost surely, 2^12570940 is an apocalyptic number.

12570940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12570940 is an abundant number, since it is smaller than the sum of its proper divisors (13828076).

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

12570940 is a wasteful number, since it uses less digits than its factorization.

12570940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628556 (or 628554 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12570940 is about 3545.5521431788. The cubic root of 12570940 is about 232.5176461729.

The spelling of 12570940 in words is "twelve million, five hundred seventy thousand, nine hundred forty".