13842417 has 4 divisors (see below), whose sum is σ = 18456560. Its totient is φ = 9228276.

The previous prime is 13842407. The next prime is 13842419. The reversal of 13842417 is 71424831.

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: 71424831 = 3 ⋅23808277.

It is not a de Polignac number, because 13842417 - 2⁷ = 13842289 is a prime.

It is a super-2 number, since 2×13842417² = 383225016803778, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13842419) 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, 2307067 + ... + 2307072.

It is an arithmetic number, because the mean of its divisors is an integer number (4614140).

Almost surely, 2^13842417 is an apocalyptic number.

It is an amenable number.

13842417 is a deficient number, since it is larger than the sum of its proper divisors (4614143).

13842417 is an equidigital number, since it uses as much as digits as its factorization.

13842417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614142.

The product of its digits is 5376, while the sum is 30.

The square root of 13842417 is about 3720.5398801787. The cubic root of 13842417 is about 240.1065325658.

The spelling of 13842417 in words is "thirteen million, eight hundred forty-two thousand, four hundred seventeen".