12500011 has 4 divisors (see below), whose sum is σ = 12614800. Its totient is φ = 12385224.

The previous prime is 12500003. The next prime is 12500029. The reversal of 12500011 is 11000521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12500011 - 2³ = 12500003 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 57231 + ... + 57448.

It is an arithmetic number, because the mean of its divisors is an integer number (3153700).

Almost surely, 2^12500011 is an apocalyptic number.

12500011 is a deficient number, since it is larger than the sum of its proper divisors (114789).

12500011 is a wasteful number, since it uses less digits than its factorization.

12500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114788.

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

The square root of 12500011 is about 3535.5354615673. The cubic root of 12500011 is about 232.0795097573.

Adding to 12500011 its reverse (11000521), we get a palindrome (23500532).

The spelling of 12500011 in words is "twelve million, five hundred thousand, eleven".