12500073 has 24 divisors (see below), whose sum is σ = 19094400. Its totient is φ = 7867104.

The previous prime is 12500071. The next prime is 12500077. The reversal of 12500073 is 37000521.

It is not a de Polignac number, because 12500073 - 2¹ = 12500071 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12500071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11758 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (795600).

Almost surely, 2^12500073 is an apocalyptic number.

It is an amenable number.

12500073 is a deficient number, since it is larger than the sum of its proper divisors (6594327).

12500073 is a wasteful number, since it uses less digits than its factorization.

12500073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 12500073 is about 3535.5442296767. The cubic root of 12500073 is about 232.0798934611.

Adding to 12500073 its reverse (37000521), we get a palindrome (49500594).

The spelling of 12500073 in words is "twelve million, five hundred thousand, seventy-three".