12568745 has 36 divisors (see below), whose sum is σ = 18468684. Its totient is φ = 8184960.

The previous prime is 12568727. The next prime is 12568753. The reversal of 12568745 is 54786521.

It can be written as a sum of positive squares in 6 ways, for example, as 1466521 + 11102224 = 1211^2 + 3332^2 .

It is not a de Polignac number, because 12568745 - 2⁸ = 12568489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12568699 and 12568708.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 206015 + ... + 206075.

It is an arithmetic number, because the mean of its divisors is an integer number (513019).

Almost surely, 2^12568745 is an apocalyptic number.

It is an amenable number.

12568745 is a deficient number, since it is larger than the sum of its proper divisors (5899939).

12568745 is an equidigital number, since it uses as much as digits as its factorization.

12568745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 102 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 12568745 is about 3545.2425869043. The cubic root of 12568745 is about 232.5041121560.

It can be divided in two parts, 1256 and 8745, that added together give a palindrome (10001).

The spelling of 12568745 in words is "twelve million, five hundred sixty-eight thousand, seven hundred forty-five".