12331001 has 8 divisors (see below), whose sum is σ = 13180320. Its totient is φ = 11495488.

The previous prime is 12330991. The next prime is 12331049. The reversal of 12331001 is 10013321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331301) 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, 1571 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (1647540).

Almost surely, 2^12331001 is an apocalyptic number.

It is an amenable number.

12331001 is a deficient number, since it is larger than the sum of its proper divisors (849319).

12331001 is a wasteful number, since it uses less digits than its factorization.

12331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 12331001 is about 3511.5525056590. The cubic root of 12331001 is about 231.0287939720.

Adding to 12331001 its reverse (10013321), we get a palindrome (22344322).

The spelling of 12331001 in words is "twelve million, three hundred thirty-one thousand, one".