12404669 has 2 divisors, whose sum is σ = 12404670. Its totient is φ = 12404668.

The previous prime is 12404653. The next prime is 12404677. The reversal of 12404669 is 96640421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 5712100 = 2587^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404669 - 2⁴ = 12404653 is a prime.

It is a super-2 number, since 2×12404669² = 307751625999122, which contains 22 as substring.

It is equal to p₈₁₂₈₈₅ and since 12404669 and 812885 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202334 + 6202335.

It is an arithmetic number, because the mean of its divisors is an integer number (6202335).

Almost surely, 2^12404669 is an apocalyptic number.

It is an amenable number.

12404669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404669 is an equidigital number, since it uses as much as digits as its factorization.

12404669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 12404669 is about 3522.0262633887. The cubic root of 12404669 is about 231.4879523886.

The spelling of 12404669 in words is "twelve million, four hundred four thousand, six hundred sixty-nine".