12706003 has 4 divisors (see below), whose sum is σ = 13374760. Its totient is φ = 12037248.

The previous prime is 12705997. The next prime is 12706007. The reversal of 12706003 is 30060721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12706003 is a prime.

It is a super-2 number, since 2×12706003² = 322885024472018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 668737 = 12706003 / (1 + 2 + 7 + 0 + 6 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12706007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 334350 + ... + 334387.

It is an arithmetic number, because the mean of its divisors is an integer number (3343690).

Almost surely, 2^12706003 is an apocalyptic number.

12706003 is a deficient number, since it is larger than the sum of its proper divisors (668757).

12706003 is an equidigital number, since it uses as much as digits as its factorization.

12706003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668756.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12706003 is about 3564.5480779476. The cubic root of 12706003 is about 233.3474098084.

Adding to 12706003 its reverse (30060721), we get a palindrome (42766724).

The spelling of 12706003 in words is "twelve million, seven hundred six thousand, three".