12500007 has 8 divisors (see below), whose sum is σ = 17948784. Its totient is φ = 7692288.

The previous prime is 12500003. The next prime is 12500029. The reversal of 12500007 is 70000521.

It is a happy number.

12500007 is nontrivially palindromic in base 7.

12500007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12500007 - 2² = 12500003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500003) 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, 160218 + ... + 160295.

It is an arithmetic number, because the mean of its divisors is an integer number (2243598).

Almost surely, 2^12500007 is an apocalyptic number.

12500007 is a deficient number, since it is larger than the sum of its proper divisors (5448777).

12500007 is a wasteful number, since it uses less digits than its factorization.

12500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320529.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 12500007 is about 3535.5348958821. The cubic root of 12500007 is about 232.0794850021.

Adding to 12500007 its reverse (70000521), we get a palindrome (82500528).

The spelling of 12500007 in words is "twelve million, five hundred thousand, seven".