12534705 has 12 divisors (see below), whose sum is σ = 21726900. Its totient is φ = 6685152.

The previous prime is 12534703. The next prime is 12534721. The reversal of 12534705 is 50743521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5049009 + 7485696 = 2247^2 + 2736^2 .

It is not a de Polignac number, because 12534705 - 2¹ = 12534703 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12534703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139230 + ... + 139319.

It is an arithmetic number, because the mean of its divisors is an integer number (1810575).

Almost surely, 2^12534705 is an apocalyptic number.

12534705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12534705 is a deficient number, since it is larger than the sum of its proper divisors (9192195).

12534705 is a wasteful number, since it uses less digits than its factorization.

12534705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278560 (or 278557 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 12534705 is about 3540.4385321595. The cubic root of 12534705 is about 232.2940250006.

The spelling of 12534705 in words is "twelve million, five hundred thirty-four thousand, seven hundred five".