12331534 has 8 divisors (see below), whose sum is σ = 18512208. Its totient is φ = 6160800.

The previous prime is 12331499. The next prime is 12331537. The reversal of 12331534 is 43513321.

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 (12331537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (2314026).

Almost surely, 2^12331534 is an apocalyptic number.

12331534 is a deficient number, since it is larger than the sum of its proper divisors (6180674).

12331534 is a wasteful number, since it uses less digits than its factorization.

12331534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970.

The product of its digits is 1080, while the sum is 22.

The square root of 12331534 is about 3511.6283971969. The cubic root of 12331534 is about 231.0321226169.

Adding to 12331534 its reverse (43513321), we get a palindrome (55844855).

The spelling of 12331534 in words is "twelve million, three hundred thirty-one thousand, five hundred thirty-four".