13718069 has 4 divisors (see below), whose sum is σ = 13726860. Its totient is φ = 13709280.

The previous prime is 13718063. The next prime is 13718071. The reversal of 13718069 is 96081731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96081731 = 3319 ⋅28949.

It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 1030225 = 3562^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 13718069 - 2⁴ = 13718053 is a prime.

It is a super-2 number, since 2×13718069² = 376370834177522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13718063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (3431715).

Almost surely, 2^13718069 is an apocalyptic number.

It is an amenable number.

13718069 is a deficient number, since it is larger than the sum of its proper divisors (8791).

13718069 is an equidigital number, since it uses as much as digits as its factorization.

13718069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13718069 is about 3703.7911658192. The cubic root of 13718069 is about 239.3854008392.

The spelling of 13718069 in words is "thirteen million, seven hundred eighteen thousand, sixty-nine".