12606003 has 16 divisors (see below), whose sum is σ = 18736800. Its totient is φ = 8376480.

The previous prime is 12605977. The next prime is 12606007. The reversal of 12606003 is 30060621.

It is a happy number.

12606003 is a `hidden beast` number, since 1 + 2 + 60 + 600 + 3 = 666.

It is not a de Polignac number, because 12606003 - 2¹⁶ = 12540467 is a prime.

It is a super-2 number, since 2×12606003² = 317822623272018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12606007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10813 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (1171050).

Almost surely, 2^12606003 is an apocalyptic number.

12606003 is a deficient number, since it is larger than the sum of its proper divisors (6130797).

12606003 is a wasteful number, since it uses less digits than its factorization.

12606003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12606003 is about 3550.4933460014. The cubic root of 12606003 is about 232.7336257264.

Adding to 12606003 its reverse (30060621), we get a palindrome (42666624).

The spelling of 12606003 in words is "twelve million, six hundred six thousand, three".