12750669 has 8 divisors (see below), whose sum is σ = 18889920. Its totient is φ = 8500428.

The previous prime is 12750659. The next prime is 12750701. The reversal of 12750669 is 96605721.

12750669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12750669 - 2⁵ = 12750637 is a prime.

It is a super-2 number, since 2×12750669² = 325159119895122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236097 + ... + 236150.

It is an arithmetic number, because the mean of its divisors is an integer number (2361240).

Almost surely, 2^12750669 is an apocalyptic number.

It is an amenable number.

12750669 is a deficient number, since it is larger than the sum of its proper divisors (6139251).

12750669 is an equidigital number, since it uses as much as digits as its factorization.

12750669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472256 (or 472250 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 12750669 is about 3570.8078917802. The cubic root of 12750669 is about 233.6205223436.

The spelling of 12750669 in words is "twelve million, seven hundred fifty thousand, six hundred sixty-nine".