12319511 has 2 divisors, whose sum is σ = 12319512. Its totient is φ = 12319510.

The previous prime is 12319481. The next prime is 12319529. The reversal of 12319511 is 11591321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12319511 - 2¹⁰ = 12318487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12319591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159755 + 6159756.

It is an arithmetic number, because the mean of its divisors is an integer number (6159756).

Almost surely, 2^12319511 is an apocalyptic number.

12319511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12319511 is an equidigital number, since it uses as much as digits as its factorization.

12319511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 23.

The square root of 12319511 is about 3509.9160958633. The cubic root of 12319511 is about 230.9570142962.

The spelling of 12319511 in words is "twelve million, three hundred nineteen thousand, five hundred eleven".