12407869 has 2 divisors, whose sum is σ = 12407870. Its totient is φ = 12407868.

The previous prime is 12407861. The next prime is 12407873. The reversal of 12407869 is 96870421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 1265625 = 3338^2 + 1125^2 .

It is an emirp because it is prime and its reverse (96870421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12407869 - 2³ = 12407861 is a prime.

It is a super-2 number, since 2×12407869² = 307910426242322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12407861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203934 + 6203935.

It is an arithmetic number, because the mean of its divisors is an integer number (6203935).

Almost surely, 2^12407869 is an apocalyptic number.

It is an amenable number.

12407869 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407869 is an equidigital number, since it uses as much as digits as its factorization.

12407869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12407869 is about 3522.4805180441. The cubic root of 12407869 is about 231.5078561243.

The spelling of 12407869 in words is "twelve million, four hundred seven thousand, eight hundred sixty-nine".