12446231 has 4 divisors (see below), whose sum is σ = 14224272. Its totient is φ = 10668192.

The previous prime is 12446219. The next prime is 12446237. The reversal of 12446231 is 13264421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12446231 is a prime.

It is a super-2 number, since 2×12446231² = 309817332210722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12446197 and 12446206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446237) 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, 889010 + ... + 889023.

It is an arithmetic number, because the mean of its divisors is an integer number (3556068).

Almost surely, 2^12446231 is an apocalyptic number.

12446231 is a deficient number, since it is larger than the sum of its proper divisors (1778041).

12446231 is an equidigital number, since it uses as much as digits as its factorization.

12446231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778040.

The product of its digits is 1152, while the sum is 23.

The square root of 12446231 is about 3527.9216261136. The cubic root of 12446231 is about 231.7461986190.

The spelling of 12446231 in words is "twelve million, four hundred forty-six thousand, two hundred thirty-one".