12331146 has 8 divisors (see below), whose sum is σ = 24662304. Its totient is φ = 4110380.

The previous prime is 12331141. The next prime is 12331147. The reversal of 12331146 is 64113321.

12331146 is nontrivially palindromic in base 7.

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

12331146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12331141) 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, 1027590 + ... + 1027601.

It is an arithmetic number, because the mean of its divisors is an integer number (3082788).

Almost surely, 2^12331146 is an apocalyptic number.

12331146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12331146 is a wasteful number, since it uses less digits than its factorization.

12331146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055196.

The product of its digits is 432, while the sum is 21.

The square root of 12331146 is about 3511.5731517370. The cubic root of 12331146 is about 231.0296995228.

Adding to 12331146 its reverse (64113321), we get a palindrome (76444467).

The spelling of 12331146 in words is "twelve million, three hundred thirty-one thousand, one hundred forty-six".