12319427 has 2 divisors, whose sum is σ = 12319428. Its totient is φ = 12319426.

The previous prime is 12319399. The next prime is 12319459. The reversal of 12319427 is 72491321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12319427 - 2¹⁴ = 12303043 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 12319427.

It is not a weakly prime, because it can be changed into another prime (12319477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159713 + 6159714.

It is an arithmetic number, because the mean of its divisors is an integer number (6159714).

Almost surely, 2^12319427 is an apocalyptic number.

12319427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12319427 is an equidigital number, since it uses as much as digits as its factorization.

12319427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 12319427 is about 3509.9041297449. The cubic root of 12319427 is about 230.9564893718.

The spelling of 12319427 in words is "twelve million, three hundred nineteen thousand, four hundred twenty-seven".