12404677 has 2 divisors, whose sum is σ = 12404678. Its totient is φ = 12404676.

The previous prime is 12404669. The next prime is 12404699. The reversal of 12404677 is 77640421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 21316 = 3519^2 + 146^2 .

It is an emirp because it is prime and its reverse (77640421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12404677 - 2³ = 12404669 is a prime.

It is a super-2 number, since 2×12404677² = 307752022948658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202338 + 6202339.

It is an arithmetic number, because the mean of its divisors is an integer number (6202339).

Almost surely, 2^12404677 is an apocalyptic number.

It is an amenable number.

12404677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404677 is an equidigital number, since it uses as much as digits as its factorization.

12404677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 12404677 is about 3522.0273990984. The cubic root of 12404677 is about 231.4880021522.

The spelling of 12404677 in words is "twelve million, four hundred four thousand, six hundred seventy-seven".