12331490 has 16 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 4773360.

The previous prime is 12331483. The next prime is 12331499. The reversal of 12331490 is 9413321.

12331490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12331499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19580 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (1432080).

Almost surely, 2^12331490 is an apocalyptic number.

12331490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331490 is a deficient number, since it is larger than the sum of its proper divisors (10581790).

12331490 is a wasteful number, since it uses less digits than its factorization.

12331490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39817.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 12331490 is about 3511.6221322916. The cubic root of 12331490 is about 231.0318478356.

It can be divided in two parts, 12331 and 490, that added together give a palindrome (12821).

The spelling of 12331490 in words is "twelve million, three hundred thirty-one thousand, four hundred ninety".