12550065 has 32 divisors (see below), whose sum is σ = 22864896. Its totient is φ = 5818560.

The previous prime is 12550061. The next prime is 12550073. The reversal of 12550065 is 56005521.

It is not a de Polignac number, because 12550065 - 2² = 12550061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12550061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2142 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (714528).

Almost surely, 2^12550065 is an apocalyptic number.

12550065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12550065 is a deficient number, since it is larger than the sum of its proper divisors (10314831).

12550065 is a wasteful number, since it uses less digits than its factorization.

12550065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 12550065 is about 3542.6070908301. The cubic root of 12550065 is about 232.3888704661.

Adding to 12550065 its reverse (56005521), we get a palindrome (68555586).

The spelling of 12550065 in words is "twelve million, five hundred fifty thousand, sixty-five".