12230531 has 8 divisors (see below), whose sum is σ = 13133664. Its totient is φ = 11347840.

The previous prime is 12230527. The next prime is 12230539. The reversal of 12230531 is 13503221.

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

It is not a de Polignac number, because 12230531 - 2² = 12230527 is a prime.

It is a super-2 number, since 2×12230531² = 299171777083922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230539) 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, 3860 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (1641708).

Almost surely, 2^12230531 is an apocalyptic number.

12230531 is a deficient number, since it is larger than the sum of its proper divisors (903133).

12230531 is a wasteful number, since it uses less digits than its factorization.

12230531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12230531 is about 3497.2176083281. The cubic root of 12230531 is about 230.3996266049.

Adding to 12230531 its reverse (13503221), we get a palindrome (25733752).

The spelling of 12230531 in words is "twelve million, two hundred thirty thousand, five hundred thirty-one".