12463531 has 4 divisors (see below), whose sum is σ = 12484672. Its totient is φ = 12442392.

The previous prime is 12463513. The next prime is 12463537. The reversal of 12463531 is 13536421.

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

It is a cyclic number.

It is not a de Polignac number, because 12463531 - 2¹¹ = 12461483 is a prime.

It is a super-2 number, since 2×12463531² = 310679209975922, 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 = 12463496 and 12463505.

It is not an unprimeable number, because it can be changed into a prime (12463537) 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, 9660 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (3121168).

Almost surely, 2^12463531 is an apocalyptic number.

12463531 is a deficient number, since it is larger than the sum of its proper divisors (21141).

12463531 is an equidigital number, since it uses as much as digits as its factorization.

12463531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140.

The product of its digits is 2160, while the sum is 25.

The square root of 12463531 is about 3530.3726432205. The cubic root of 12463531 is about 231.8535230264.

Adding to 12463531 its reverse (13536421), we get a palindrome (25999952).

The spelling of 12463531 in words is "twelve million, four hundred sixty-three thousand, five hundred thirty-one".