12231460 has 24 divisors (see below), whose sum is σ = 26381880. Its totient is φ = 4760064.

The previous prime is 12231433. The next prime is 12231463. The reversal of 12231460 is 6413221.

It can be written as a sum of positive squares in 4 ways, for example, as 6120676 + 6110784 = 2474^2 + 2472^2 .

It is a super-2 number, since 2×12231460² = 299217227463200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231463) 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 7 ways as a sum of consecutive naturals, for example, 7525 + ... + 9004.

It is an arithmetic number, because the mean of its divisors is an integer number (1099245).

Almost surely, 2^12231460 is an apocalyptic number.

12231460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231460 is an abundant number, since it is smaller than the sum of its proper divisors (14150420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231460 is a wasteful number, since it uses less digits than its factorization.

12231460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575 (or 16573 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12231460 is about 3497.3504256794. The cubic root of 12231460 is about 230.4054599802.

Adding to 12231460 its reverse (6413221), we get a palindrome (18644681).

The spelling of 12231460 in words is "twelve million, two hundred thirty-one thousand, four hundred sixty".