12570418 has 8 divisors (see below), whose sum is σ = 21549312. Its totient is φ = 5387316.

The previous prime is 12570413. The next prime is 12570421. The reversal of 12570418 is 81407521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12570413) 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, 448930 + ... + 448957.

It is an arithmetic number, because the mean of its divisors is an integer number (2693664).

Almost surely, 2^12570418 is an apocalyptic number.

12570418 is a deficient number, since it is larger than the sum of its proper divisors (8978894).

12570418 is an equidigital number, since it uses as much as digits as its factorization.

12570418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897896.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12570418 is about 3545.4785290564. The cubic root of 12570418 is about 232.5144277477.

Adding to 12570418 its reverse (81407521), we get a palindrome (93977939).

The spelling of 12570418 in words is "twelve million, five hundred seventy thousand, four hundred eighteen".