13420017 has 24 divisors (see below), whose sum is σ = 21787584. Its totient is φ = 7897824.

The previous prime is 13420003. The next prime is 13420019. The reversal of 13420017 is 71002431.

It is not a de Polignac number, because 13420017 - 2⁸ = 13419761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13420019) 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 23 ways as a sum of consecutive naturals, for example, 198 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (907816).

Almost surely, 2^13420017 is an apocalyptic number.

It is an amenable number.

13420017 is a deficient number, since it is larger than the sum of its proper divisors (8367567).

13420017 is a wasteful number, since it uses less digits than its factorization.

13420017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13420017 is about 3663.3341370942. The cubic root of 13420017 is about 237.6389849475.

Adding to 13420017 its reverse (71002431), we get a palindrome (84422448).

The spelling of 13420017 in words is "thirteen million, four hundred twenty thousand, seventeen".