12875537 has 4 divisors (see below), whose sum is σ = 12962100. Its totient is φ = 12788976.

The previous prime is 12875531. The next prime is 12875539. The reversal of 12875537 is 73557821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73557821 = 43 ⋅1710647.

It can be written as a sum of positive squares in 2 ways, for example, as 5013121 + 7862416 = 2239^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 12875537 - 2⁸ = 12875281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12875537.

It is not an unprimeable number, because it can be changed into a prime (12875531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43058 + ... + 43355.

It is an arithmetic number, because the mean of its divisors is an integer number (3240525).

Almost surely, 2^12875537 is an apocalyptic number.

It is an amenable number.

12875537 is a deficient number, since it is larger than the sum of its proper divisors (86563).

12875537 is an equidigital number, since it uses as much as digits as its factorization.

12875537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86562.

The product of its digits is 58800, while the sum is 38.

The square root of 12875537 is about 3588.2498519473. The cubic root of 12875537 is about 234.3806658660.

The spelling of 12875537 in words is "twelve million, eight hundred seventy-five thousand, five hundred thirty-seven".