13874217 has 16 divisors (see below), whose sum is σ = 21411840. Its totient is φ = 7826832.

The previous prime is 13874183. The next prime is 13874219. The reversal of 13874217 is 71247831.

It is a happy number.

13874217 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13874217 - 2⁶ = 13874153 is a prime.

13874217 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13874219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2523 + ... + 5840.

It is an arithmetic number, because the mean of its divisors is an integer number (1338240).

Almost surely, 2^13874217 is an apocalyptic number.

It is an amenable number.

13874217 is a deficient number, since it is larger than the sum of its proper divisors (7537623).

13874217 is an equidigital number, since it uses as much as digits as its factorization.

13874217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452.

The product of its digits is 9408, while the sum is 33.

The square root of 13874217 is about 3724.8110019167. The cubic root of 13874217 is about 240.2902564607.

The spelling of 13874217 in words is "thirteen million, eight hundred seventy-four thousand, two hundred seventeen".