12535047 has 32 divisors (see below), whose sum is σ = 21964800. Its totient is φ = 6912864.

The previous prime is 12535021. The next prime is 12535063. The reversal of 12535047 is 74053521.

It is a happy number.

It is not a de Polignac number, because 12535047 - 2⁶ = 12534983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12535047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4338 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (686400).

Almost surely, 2^12535047 is an apocalyptic number.

12535047 is a deficient number, since it is larger than the sum of its proper divisors (9429753).

12535047 is a wasteful number, since it uses less digits than its factorization.

12535047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2326 counting only the distinct ones).

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

The square root of 12535047 is about 3540.4868309316. The cubic root of 12535047 is about 232.2961376373.

Adding to 12535047 its reverse (74053521), we get a palindrome (86588568).

The spelling of 12535047 in words is "twelve million, five hundred thirty-five thousand, forty-seven".