14217081 has 4 divisors (see below), whose sum is σ = 18956112. Its totient is φ = 9478052.

The previous prime is 14217079. The next prime is 14217107. The reversal of 14217081 is 18071241.

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: 18071241 = 3 ⋅6023747.

It is a cyclic number.

It is not a de Polignac number, because 14217081 - 2¹ = 14217079 is a prime.

It is a super-2 number, since 2×14217081² = 404250784321122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14217001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369511 + ... + 2369516.

It is an arithmetic number, because the mean of its divisors is an integer number (4739028).

Almost surely, 2^14217081 is an apocalyptic number.

It is an amenable number.

14217081 is a deficient number, since it is larger than the sum of its proper divisors (4739031).

14217081 is an equidigital number, since it uses as much as digits as its factorization.

14217081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739030.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 14217081 is about 3770.5544685099. The cubic root of 14217081 is about 242.2535477525.

The spelling of 14217081 in words is "fourteen million, two hundred seventeen thousand, eighty-one".