13719793 has 2 divisors, whose sum is σ = 13719794. Its totient is φ = 13719792.

The previous prime is 13719787. The next prime is 13719803. The reversal of 13719793 is 39791731.

It is a happy number.

13719793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 51984 = 3697^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 13719793 - 2¹⁷ = 13588721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13719733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6859896 + 6859897.

It is an arithmetic number, because the mean of its divisors is an integer number (6859897).

Almost surely, 2^13719793 is an apocalyptic number.

It is an amenable number.

13719793 is a deficient number, since it is larger than the sum of its proper divisors (1).

13719793 is an equidigital number, since it uses as much as digits as its factorization.

13719793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35721, while the sum is 40.

The square root of 13719793 is about 3704.0238930115. The cubic root of 13719793 is about 239.3954285660.

The spelling of 13719793 in words is "thirteen million, seven hundred nineteen thousand, seven hundred ninety-three".