12534447 has 16 divisors (see below), whose sum is σ = 17584128. Its totient is φ = 7931040.

The previous prime is 12534443. The next prime is 12534461. The reversal of 12534447 is 74443521.

12534447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12534447 - 2² = 12534443 is a prime.

It is a super-2 number, since 2×12534447² = 314224723191618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (1099008).

Almost surely, 2^12534447 is an apocalyptic number.

12534447 is a deficient number, since it is larger than the sum of its proper divisors (5049681).

12534447 is a wasteful number, since it uses less digits than its factorization.

12534447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630.

The product of its digits is 13440, while the sum is 30.

The square root of 12534447 is about 3540.4020958078. The cubic root of 12534447 is about 232.2924312317.

Adding to 12534447 its reverse (74443521), we get a palindrome (86977968).

The spelling of 12534447 in words is "twelve million, five hundred thirty-four thousand, four hundred forty-seven".