12500002 has 8 divisors (see below), whose sum is σ = 18943596. Its totient is φ = 6185472.

The previous prime is 12499999. The next prime is 12500003. The reversal of 12500002 is 20000521.

It can be written as a sum of positive squares in 2 ways, for example, as 12467961 + 32041 = 3531^2 + 179^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12500003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32023 + ... + 32410.

Almost surely, 2^12500002 is an apocalyptic number.

12500002 is a deficient number, since it is larger than the sum of its proper divisors (6443594).

12500002 is an equidigital number, since it uses as much as digits as its factorization.

12500002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64532.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 12500002 is about 3535.5341887754. The cubic root of 12500002 is about 232.0794540582.

Adding to 12500002 its reverse (20000521), we get a palindrome (32500523).

The spelling of 12500002 in words is "twelve million, five hundred thousand, two".