12322740 has 48 divisors (see below), whose sum is σ = 35098560. Its totient is φ = 3230368.

The previous prime is 12322711. The next prime is 12322771. The reversal of 12322740 is 4722321.

12322740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12322740² = 303699842215200, which contains 22 as substring.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 295 × 177 × 236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208831 + ... + 208889.

It is an arithmetic number, because the mean of its divisors is an integer number (731220).

Almost surely, 2^12322740 is an apocalyptic number.

12322740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12322740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17549280).

12322740 is an abundant number, since it is smaller than the sum of its proper divisors (22775820).

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

12322740 is an frugal number, since it uses more digits than its factorization.

12322740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12322740 is about 3510.3760482319. The cubic root of 12322740 is about 230.9771908290.

The spelling of 12322740 in words is "twelve million, three hundred twenty-two thousand, seven hundred forty".