12319012 has 6 divisors (see below), whose sum is σ = 21558278. Its totient is φ = 6159504.

The previous prime is 12318991. The next prime is 12319061. The reversal of 12319012 is 21091321.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 2232036 = 3176^2 + 1494^2 .

It is a super-2 number, since 2×12319012² = 303516113312288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539873 + ... + 1539880.

Almost surely, 2^12319012 is an apocalyptic number.

It is an amenable number.

12319012 is a deficient number, since it is larger than the sum of its proper divisors (9239266).

12319012 is a wasteful number, since it uses less digits than its factorization.

12319012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079757 (or 3079755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12319012 is about 3509.8450108231. The cubic root of 12319012 is about 230.9538959607.

The spelling of 12319012 in words is "twelve million, three hundred nineteen thousand, twelve".