12501065 has 4 divisors (see below), whose sum is σ = 15001284. Its totient is φ = 10000848.

The previous prime is 12501053. The next prime is 12501067. The reversal of 12501065 is 56010521.

12501065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2866249 + 9634816 = 1693^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 12501065 - 2⁸ = 12500809 is a prime.

It is a super-2 number, since 2×12501065² = 312553252268450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12501067) 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, 1250102 + ... + 1250111.

It is an arithmetic number, because the mean of its divisors is an integer number (3750321).

Almost surely, 2^12501065 is an apocalyptic number.

It is an amenable number.

12501065 is a deficient number, since it is larger than the sum of its proper divisors (2500219).

12501065 is an equidigital number, since it uses as much as digits as its factorization.

12501065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500218.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 12501065 is about 3535.6845164692. The cubic root of 12501065 is about 232.0860325496.

Adding to 12501065 its reverse (56010521), we get a palindrome (68511586).

The spelling of 12501065 in words is "twelve million, five hundred one thousand, sixty-five".