18714169 has 4 divisors (see below), whose sum is σ = 18739840. Its totient is φ = 18688500.

The previous prime is 18714149. The next prime is 18714181. The reversal of 18714169 is 96141781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96141781 = 1031 ⋅93251.

It is a cyclic number.

It is not a de Polignac number, because 18714169 - 2⁷ = 18714041 is a prime.

It is a super-2 number, since 2×18714169² = 700440242721122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18714139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11709 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (4684960).

Almost surely, 2^18714169 is an apocalyptic number.

It is an amenable number.

18714169 is a deficient number, since it is larger than the sum of its proper divisors (25671).

18714169 is an equidigital number, since it uses as much as digits as its factorization.

18714169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25670.

The product of its digits is 12096, while the sum is 37.

The square root of 18714169 is about 4325.9876328996. The cubic root of 18714169 is about 265.4953071877.

The spelling of 18714169 in words is "eighteen million, seven hundred fourteen thousand, one hundred sixty-nine".