13947417 has 32 divisors (see below), whose sum is σ = 22763520. Its totient is φ = 8370000.

The previous prime is 13947413. The next prime is 13947431. The reversal of 13947417 is 71474931.

It is not a de Polignac number, because 13947417 - 2² = 13947413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13947413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44692 + ... + 45002.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^13947417 is an apocalyptic number.

It is an amenable number.

13947417 is a deficient number, since it is larger than the sum of its proper divisors (8816103).

13947417 is a wasteful number, since it uses less digits than its factorization.

13947417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 476 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13947417 is about 3734.6240774675. The cubic root of 13947417 is about 240.7121037778.

The spelling of 13947417 in words is "thirteen million, nine hundred forty-seven thousand, four hundred seventeen".