12534463 has 4 divisors (see below), whose sum is σ = 12740008. Its totient is φ = 12328920.

The previous prime is 12534461. The next prime is 12534523. The reversal of 12534463 is 36443521.

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 12534463 - 2¹ = 12534461 is a prime.

It is a super-2 number, since 2×12534463² = 314225525396738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534461) 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, 102681 + ... + 102802.

It is an arithmetic number, because the mean of its divisors is an integer number (3185002).

Almost surely, 2^12534463 is an apocalyptic number.

12534463 is a deficient number, since it is larger than the sum of its proper divisors (205545).

12534463 is an equidigital number, since it uses as much as digits as its factorization.

12534463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205544.

The product of its digits is 8640, while the sum is 28.

The square root of 12534463 is about 3540.4043554374. The cubic root of 12534463 is about 232.2925300707.

Adding to 12534463 its reverse (36443521), we get a palindrome (48977984).

It can be divided in two parts, 1 and 2534463, that added together give a square (2534464 = 1592²).

The spelling of 12534463 in words is "twelve million, five hundred thirty-four thousand, four hundred sixty-three".