12277399 has 2 divisors, whose sum is σ = 12277400. Its totient is φ = 12277398.

The previous prime is 12277393. The next prime is 12277427. The reversal of 12277399 is 99377221.

It is a weak prime.

It is an emirp because it is prime and its reverse (99377221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12277399 - 2¹⁹ = 11753111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12277393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138699 + 6138700.

It is an arithmetic number, because the mean of its divisors is an integer number (6138700).

Almost surely, 2^12277399 is an apocalyptic number.

12277399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12277399 is an equidigital number, since it uses as much as digits as its factorization.

12277399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 12277399 is about 3503.9119566564. The cubic root of 12277399 is about 230.6935524013.

The spelling of 12277399 in words is "twelve million, two hundred seventy-seven thousand, three hundred ninety-nine".