12700403 has 4 divisors (see below), whose sum is σ = 12707568. Its totient is φ = 12693240.

The previous prime is 12700397. The next prime is 12700451. The reversal of 12700403 is 30400721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12700403 - 2¹⁴ = 12684019 is a prime.

It is a super-2 number, since 2×12700403² = 322600472724818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12700703) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1250 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (3176892).

Almost surely, 2^12700403 is an apocalyptic number.

12700403 is a deficient number, since it is larger than the sum of its proper divisors (7165).

12700403 is an equidigital number, since it uses as much as digits as its factorization.

12700403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12700403 is about 3563.7624780560. The cubic root of 12700403 is about 233.3131231929.

The spelling of 12700403 in words is "twelve million, seven hundred thousand, four hundred three".