13213703 has 2 divisors, whose sum is σ = 13213704. Its totient is φ = 13213702.

The previous prime is 13213691. The next prime is 13213747. The reversal of 13213703 is 30731231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30731231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13213703 - 2¹⁰ = 13212679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13216703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606851 + 6606852.

It is an arithmetic number, because the mean of its divisors is an integer number (6606852).

Almost surely, 2^13213703 is an apocalyptic number.

13213703 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213703 is an equidigital number, since it uses as much as digits as its factorization.

13213703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13213703 is about 3635.0657490615. The cubic root of 13213703 is about 236.4149014363.

Adding to 13213703 its reverse (30731231), we get a palindrome (43944934).

The spelling of 13213703 in words is "thirteen million, two hundred thirteen thousand, seven hundred three".