12319361 has 2 divisors, whose sum is σ = 12319362. Its totient is φ = 12319360.

The previous prime is 12319337. The next prime is 12319397. The reversal of 12319361 is 16391321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 547600 = 3431^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 12319361 - 2⁶ = 12319297 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12319361.

It is not a weakly prime, because it can be changed into another prime (12319061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159680 + 6159681.

It is an arithmetic number, because the mean of its divisors is an integer number (6159681).

Almost surely, 2^12319361 is an apocalyptic number.

It is an amenable number.

12319361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12319361 is an equidigital number, since it uses as much as digits as its factorization.

12319361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 12319361 is about 3509.8947277661. The cubic root of 12319361 is about 230.9560769296.

The spelling of 12319361 in words is "twelve million, three hundred nineteen thousand, three hundred sixty-one".