12311419 has 2 divisors, whose sum is σ = 12311420. Its totient is φ = 12311418.

The previous prime is 12311401. The next prime is 12311443. The reversal of 12311419 is 91411321.

It is a weak prime.

It is an emirp because it is prime and its reverse (91411321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311419 - 2¹¹ = 12309371 is a prime.

It is a super-2 number, since 2×12311419² = 303142075587122, which contains 22 as substring.

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 12311419.

It is not a weakly prime, because it can be changed into another prime (12311119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155709 + 6155710.

It is an arithmetic number, because the mean of its divisors is an integer number (6155710).

Almost surely, 2^12311419 is an apocalyptic number.

12311419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311419 is an equidigital number, since it uses as much as digits as its factorization.

12311419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

The square root of 12311419 is about 3508.7631724014. The cubic root of 12311419 is about 230.9064356246.

The spelling of 12311419 in words is "twelve million, three hundred eleven thousand, four hundred nineteen".