12042319 has 2 divisors, whose sum is σ = 12042320. Its totient is φ = 12042318.

The previous prime is 12042311. The next prime is 12042343. The reversal of 12042319 is 91324021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12042319 - 2³ = 12042311 is a prime.

It is a super-2 number, since 2×12042319² = 290034893795522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12042319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021159 + 6021160.

It is an arithmetic number, because the mean of its divisors is an integer number (6021160).

Almost surely, 2^12042319 is an apocalyptic number.

12042319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042319 is an equidigital number, since it uses as much as digits as its factorization.

12042319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12042319 is about 3470.2044608351. The cubic root of 12042319 is about 229.2116614388.

The spelling of 12042319 in words is "twelve million, forty-two thousand, three hundred nineteen".