12321974 has 32 divisors (see below), whose sum is σ = 23348736. Its totient is φ = 4752000.

The previous prime is 12321971. The next prime is 12321977. The reversal of 12321974 is 47912321.

It is an interprime number because it is at equal distance from previous prime (12321971) and next prime (12321977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4349 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (729648).

Almost surely, 2^12321974 is an apocalyptic number.

12321974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12321974 is a deficient number, since it is larger than the sum of its proper divisors (11026762).

12321974 is a wasteful number, since it uses less digits than its factorization.

12321974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300.

The product of its digits is 3024, while the sum is 29.

The square root of 12321974 is about 3510.2669414163. The cubic root of 12321974 is about 230.9724047669.

The spelling of 12321974 in words is "twelve million, three hundred twenty-one thousand, nine hundred seventy-four".