12231563 has 2 divisors, whose sum is σ = 12231564. Its totient is φ = 12231562.

The previous prime is 12231547. The next prime is 12231589. The reversal of 12231563 is 36513221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12231563 - 2⁴ = 12231547 is a prime.

It is a super-2 number, since 2×12231563² = 299222266845938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 6115781 + 6115782.

It is an arithmetic number, because the mean of its divisors is an integer number (6115782).

Almost surely, 2^12231563 is an apocalyptic number.

12231563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231563 is an equidigital number, since it uses as much as digits as its factorization.

12231563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 12231563 is about 3497.3651510816. The cubic root of 12231563 is about 230.4061067195.

Adding to 12231563 its reverse (36513221), we get a palindrome (48744784).

The spelling of 12231563 in words is "twelve million, two hundred thirty-one thousand, five hundred sixty-three".