12570372 has 18 divisors (see below), whose sum is σ = 31775198. Its totient is φ = 4190112.

The previous prime is 12570347. The next prime is 12570377. The reversal of 12570372 is 27307521.

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 4137156 = 2904^2 + 2034^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12570377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174553 + ... + 174624.

Almost surely, 2^12570372 is an apocalyptic number.

12570372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12570372 is an abundant number, since it is smaller than the sum of its proper divisors (19204826).

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

12570372 is a wasteful number, since it uses less digits than its factorization.

12570372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349187 (or 349182 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 12570372 is about 3545.4720419149. The cubic root of 12570372 is about 232.5141441274.

Adding to 12570372 its reverse (27307521), we get a palindrome (39877893).

The spelling of 12570372 in words is "twelve million, five hundred seventy thousand, three hundred seventy-two".