13699723 has 2 divisors, whose sum is σ = 13699724. Its totient is φ = 13699722.

The previous prime is 13699717. The next prime is 13699727. The reversal of 13699723 is 32799631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13699723 - 2⁹ = 13699211 is a prime.

It is not a weakly prime, because it can be changed into another prime (13699727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6849861 + 6849862.

It is an arithmetic number, because the mean of its divisors is an integer number (6849862).

Almost surely, 2^13699723 is an apocalyptic number.

13699723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13699723 is an equidigital number, since it uses as much as digits as its factorization.

13699723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 13699723 is about 3701.3136857067. The cubic root of 13699723 is about 239.2786383931.

The spelling of 13699723 in words is "thirteen million, six hundred ninety-nine thousand, seven hundred twenty-three".