12534775 has 24 divisors (see below), whose sum is σ = 17856000. Its totient is φ = 8632800.

The previous prime is 12534761. The next prime is 12534779. The reversal of 12534775 is 57743521.

It is not a de Polignac number, because 12534775 - 2⁷ = 12534647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12534775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4026 + ... + 6424.

It is an arithmetic number, because the mean of its divisors is an integer number (744000).

Almost surely, 2^12534775 is an apocalyptic number.

12534775 is a deficient number, since it is larger than the sum of its proper divisors (5321225).

12534775 is a wasteful number, since it uses less digits than its factorization.

12534775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439 (or 2434 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 12534775 is about 3540.4484179267. The cubic root of 12534775 is about 232.2944574147.

The spelling of 12534775 in words is "twelve million, five hundred thirty-four thousand, seven hundred seventy-five".