12506126 has 4 divisors (see below), whose sum is σ = 18759192. Its totient is φ = 6253062.

The previous prime is 12506083. The next prime is 12506147. The reversal of 12506126 is 62160521.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3126530 + ... + 3126533.

It is an arithmetic number, because the mean of its divisors is an integer number (4689798).

Almost surely, 2^12506126 is an apocalyptic number.

12506126 is a deficient number, since it is larger than the sum of its proper divisors (6253066).

12506126 is an equidigital number, since it uses as much as digits as its factorization.

12506126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253065.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12506126 is about 3536.4001470422. The cubic root of 12506126 is about 232.1173479865.

Adding to 12506126 its reverse (62160521), we get a palindrome (74666647).

The spelling of 12506126 in words is "twelve million, five hundred six thousand, one hundred twenty-six".