12501005 has 16 divisors (see below), whose sum is σ = 16809984. Its totient is φ = 8844480.

The previous prime is 12500989. The next prime is 12501019. The reversal of 12501005 is 50010521.

It is not a de Polignac number, because 12501005 - 2⁴ = 12500989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (1050624).

Almost surely, 2^12501005 is an apocalyptic number.

It is an amenable number.

12501005 is a deficient number, since it is larger than the sum of its proper divisors (4308979).

12501005 is a wasteful number, since it uses less digits than its factorization.

12501005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 12501005 is about 3535.6760315391. The cubic root of 12501005 is about 232.0856612430.

Adding to 12501005 its reverse (50010521), we get a palindrome (62511526).

The spelling of 12501005 in words is "twelve million, five hundred one thousand, five".