12811703 has 2 divisors, whose sum is σ = 12811704. Its totient is φ = 12811702.

The previous prime is 12811699. The next prime is 12811717. The reversal of 12811703 is 30711821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12811703 - 2² = 12811699 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12811753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405851 + 6405852.

It is an arithmetic number, because the mean of its divisors is an integer number (6405852).

Almost surely, 2^12811703 is an apocalyptic number.

12811703 is a deficient number, since it is larger than the sum of its proper divisors (1).

12811703 is an equidigital number, since it uses as much as digits as its factorization.

12811703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12811703 is about 3579.3439342986. The cubic root of 12811703 is about 233.9926885484.

The spelling of 12811703 in words is "twelve million, eight hundred eleven thousand, seven hundred three".