12231458 has 6 divisors (see below), whose sum is σ = 18354609. Its totient is φ = 6113256.

The previous prime is 12231433. The next prime is 12231463. The reversal of 12231458 is 85413221.

It can be written as a sum of positive squares in 2 ways, for example, as 11444689 + 786769 = 3383^2 + 887^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2473.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 3710 + ... + 6182.

Almost surely, 2^12231458 is an apocalyptic number.

12231458 is a deficient number, since it is larger than the sum of its proper divisors (6123151).

12231458 is an frugal number, since it uses more digits than its factorization.

12231458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948 (or 2475 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 12231458 is about 3497.3501397487. The cubic root of 12231458 is about 230.4054474222.

Adding to 12231458 its reverse (85413221), we get a palindrome (97644679).

The spelling of 12231458 in words is "twelve million, two hundred thirty-one thousand, four hundred fifty-eight".