12331790 has 8 divisors (see below), whose sum is σ = 22197240. Its totient is φ = 4932712.

The previous prime is 12331789. The next prime is 12331793. The reversal of 12331790 is 9713321.

12331790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616580 + ... + 616599.

It is an arithmetic number, because the mean of its divisors is an integer number (2774655).

Almost surely, 2^12331790 is an apocalyptic number.

12331790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331790 is a deficient number, since it is larger than the sum of its proper divisors (9865450).

12331790 is a wasteful number, since it uses less digits than its factorization.

12331790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233186.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12331790 is about 3511.6648473338. The cubic root of 12331790 is about 231.0337213316.

It can be divided in two parts, 123 and 31790, that added together give a palindrome (31913).

The spelling of 12331790 in words is "twelve million, three hundred thirty-one thousand, seven hundred ninety".