13718005 has 16 divisors (see below), whose sum is σ = 19632384. Its totient is φ = 8997120.

The previous prime is 13717993. The next prime is 13718017. The reversal of 13718005 is 50081731.

It is an interprime number because it is at equal distance from previous prime (13717993) and next prime (13718017).

It is not a de Polignac number, because 13718005 - 2⁵ = 13717973 is a prime.

It is a super-2 number, since 2×13718005² = 376367322360050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7716 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (1227024).

Almost surely, 2^13718005 is an apocalyptic number.

It is an amenable number.

13718005 is a deficient number, since it is larger than the sum of its proper divisors (5914379).

13718005 is a wasteful number, since it uses less digits than its factorization.

13718005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 13718005 is about 3703.7825260131. The cubic root of 13718005 is about 239.3850285641.

Adding to 13718005 its reverse (50081731), we get a palindrome (63799736).

It can be divided in two parts, 1371800 and 5, that multiplied together give a cube (6859000 = 190³).

The spelling of 13718005 in words is "thirteen million, seven hundred eighteen thousand, five".