12231502 has 8 divisors (see below), whose sum is σ = 18372312. Its totient is φ = 6107400.

The previous prime is 12231493. The next prime is 12231503. The reversal of 12231502 is 20513221.

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 (12231503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149 + ... + 5392.

It is an arithmetic number, because the mean of its divisors is an integer number (2296539).

Almost surely, 2^12231502 is an apocalyptic number.

12231502 is a deficient number, since it is larger than the sum of its proper divisors (6140810).

12231502 is an equidigital number, since it uses as much as digits as its factorization.

12231502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8354.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12231502 is about 3497.3564302198. The cubic root of 12231502 is about 230.4057236996.

Adding to 12231502 its reverse (20513221), we get a palindrome (32744723).

The spelling of 12231502 in words is "twelve million, two hundred thirty-one thousand, five hundred two".