12319542 has 12 divisors (see below), whose sum is σ = 26692380. Its totient is φ = 4106508.

The previous prime is 12319537. The next prime is 12319579. The reversal of 12319542 is 24591321.

It is a super-2 number, since 2×12319542² = 303542230179528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 342192 + ... + 342227.

It is an arithmetic number, because the mean of its divisors is an integer number (2224365).

Almost surely, 2^12319542 is an apocalyptic number.

12319542 is an abundant number, since it is smaller than the sum of its proper divisors (14372838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12319542 is a wasteful number, since it uses less digits than its factorization.

12319542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684427 (or 684424 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12319542 is about 3509.9205119205. The cubic root of 12319542 is about 230.9572080176.

The spelling of 12319542 in words is "twelve million, three hundred nineteen thousand, five hundred forty-two".