12572669 has 4 divisors (see below), whose sum is σ = 12589020. Its totient is φ = 12556320.

The previous prime is 12572663. The next prime is 12572671. The reversal of 12572669 is 96627521.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10484644 + 2088025 = 3238^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572669 - 2¹² = 12568573 is a prime.

It is a super-2 number, since 2×12572669² = 316144011567122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572663) 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, 6962 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (3147255).

Almost surely, 2^12572669 is an apocalyptic number.

It is an amenable number.

12572669 is a deficient number, since it is larger than the sum of its proper divisors (16351).

12572669 is an equidigital number, since it uses as much as digits as its factorization.

12572669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350.

The product of its digits is 45360, while the sum is 38.

The square root of 12572669 is about 3545.7959614168. The cubic root of 12572669 is about 232.5283057995.

The spelling of 12572669 in words is "twelve million, five hundred seventy-two thousand, six hundred sixty-nine".