12404761 has 2 divisors, whose sum is σ = 12404762. Its totient is φ = 12404760.

The previous prime is 12404729. The next prime is 12404767. The reversal of 12404761 is 16740421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 1907161 = 3240^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404761 - 2⁵ = 12404729 is a prime.

It is not a weakly prime, because it can be changed into another prime (12404767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202380 + 6202381.

It is an arithmetic number, because the mean of its divisors is an integer number (6202381).

Almost surely, 2^12404761 is an apocalyptic number.

It is an amenable number.

12404761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404761 is an equidigital number, since it uses as much as digits as its factorization.

12404761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12404761 is about 3522.0393240281. The cubic root of 12404761 is about 231.4885246688.

The spelling of 12404761 in words is "twelve million, four hundred four thousand, seven hundred sixty-one".