12680569 has 16 divisors (see below), whose sum is σ = 14469120. Its totient is φ = 11007360.

The previous prime is 12680561. The next prime is 12680573. The reversal of 12680569 is 96508621.

12680569 = T₁₀₇ + T₁₀₈ + ... + T₄₂₅.

It is a cyclic number.

It is not a de Polignac number, because 12680569 - 2³ = 12680561 is a prime.

It is a super-2 number, since 2×12680569² = 321593660327522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12680561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40357 + ... + 40669.

It is an arithmetic number, because the mean of its divisors is an integer number (904320).

Almost surely, 2^12680569 is an apocalyptic number.

It is an amenable number.

12680569 is a deficient number, since it is larger than the sum of its proper divisors (1788551).

12680569 is a wasteful number, since it uses less digits than its factorization.

12680569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 12680569 is about 3560.9786576165. The cubic root of 12680569 is about 233.1916062224.

The spelling of 12680569 in words is "twelve million, six hundred eighty thousand, five hundred sixty-nine".