12500065 has 8 divisors (see below), whose sum is σ = 15019200. Its totient is φ = 9987312.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500065 is 56000521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12500065 - 2¹⁵ = 12467297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12500069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6102 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (1877400).

Almost surely, 2^12500065 is an apocalyptic number.

It is an amenable number.

12500065 is a deficient number, since it is larger than the sum of its proper divisors (2519135).

12500065 is a wasteful number, since it uses less digits than its factorization.

12500065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12500065 is about 3535.5430983089. The cubic root of 12500065 is about 232.0798439510.

Adding to 12500065 its reverse (56000521), we get a palindrome (68500586).

The spelling of 12500065 in words is "twelve million, five hundred thousand, sixty-five".