12503065 has 8 divisors (see below), whose sum is σ = 15022728. Its totient is φ = 9989760.

The previous prime is 12503059. The next prime is 12503131. The reversal of 12503065 is 56030521.

It is a happy number.

12503065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5934096 + 6568969 = 2436^2 + 2563^2 .

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

It is not a de Polignac number, because 12503065 - 2¹⁷ = 12371993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (1877841).

Almost surely, 2^12503065 is an apocalyptic number.

It is an amenable number.

12503065 is a deficient number, since it is larger than the sum of its proper divisors (2519663).

12503065 is a wasteful number, since it uses less digits than its factorization.

12503065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 12503065 is about 3535.9673358220. The cubic root of 12503065 is about 232.0984087568.

Adding to 12503065 its reverse (56030521), we get a palindrome (68533586).

The spelling of 12503065 in words is "twelve million, five hundred three thousand, sixty-five".