12572018 has 4 divisors (see below), whose sum is σ = 18858030. Its totient is φ = 6286008.

The previous prime is 12572003. The next prime is 12572029. The reversal of 12572018 is 81027521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11242609 + 1329409 = 3353^2 + 1153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3143003 + ... + 3143006.

Almost surely, 2^12572018 is an apocalyptic number.

12572018 is a deficient number, since it is larger than the sum of its proper divisors (6286012).

12572018 is an equidigital number, since it uses as much as digits as its factorization.

12572018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286011.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12572018 is about 3545.7041613761. The cubic root of 12572018 is about 232.5242923706.

Adding to 12572018 its reverse (81027521), we get a palindrome (93599539).

The spelling of 12572018 in words is "twelve million, five hundred seventy-two thousand, eighteen".