12331740 has 24 divisors (see below), whose sum is σ = 34529040. Its totient is φ = 3288448.

The previous prime is 12331733. The next prime is 12331747. The reversal of 12331740 is 4713321.

It is an interprime number because it is at equal distance from previous prime (12331733) and next prime (12331747).

It is a super-2 number, since 2×12331740² = 304143622855200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102705 + ... + 102824.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 2^12331740 is an apocalyptic number.

12331740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331740 is an abundant number, since it is smaller than the sum of its proper divisors (22197300).

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

12331740 is a wasteful number, since it uses less digits than its factorization.

12331740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205541 (or 205539 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12331740 is about 3511.6577281962. The cubic root of 12331740 is about 231.0334090844.

The spelling of 12331740 in words is "twelve million, three hundred thirty-one thousand, seven hundred forty".