12319775 has 12 divisors (see below), whose sum is σ = 16452072. Its totient is φ = 9097440.

The previous prime is 12319763. The next prime is 12319777. The reversal of 12319775 is 57791321.

It is a happy number.

It is not a de Polignac number, because 12319775 - 2⁶ = 12319711 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319777) 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 in 11 ways as a sum of consecutive naturals, for example, 18629 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (1371006).

Almost surely, 2^12319775 is an apocalyptic number.

12319775 is a deficient number, since it is larger than the sum of its proper divisors (4132297).

12319775 is a wasteful number, since it uses less digits than its factorization.

12319775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37930 (or 37925 counting only the distinct ones).

The product of its digits is 13230, while the sum is 35.

The square root of 12319775 is about 3509.9537033984. The cubic root of 12319775 is about 230.9586640428.

The spelling of 12319775 in words is "twelve million, three hundred nineteen thousand, seven hundred seventy-five".