12269399 has 2 divisors, whose sum is σ = 12269400. Its totient is φ = 12269398.

The previous prime is 12269371. The next prime is 12269401. The reversal of 12269399 is 99396221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12269399 is a prime.

Together with 12269401, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12269899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6134699 + 6134700.

It is an arithmetic number, because the mean of its divisors is an integer number (6134700).

Almost surely, 2^12269399 is an apocalyptic number.

12269399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12269399 is an equidigital number, since it uses as much as digits as its factorization.

12269399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 12269399 is about 3502.7701894358. The cubic root of 12269399 is about 230.6434345813.

The spelling of 12269399 in words is "twelve million, two hundred sixty-nine thousand, three hundred ninety-nine".