13964417 has 4 divisors (see below), whose sum is σ = 13975296. Its totient is φ = 13953540.

The previous prime is 13964413. The next prime is 13964437. The reversal of 13964417 is 71446931.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71446931 = 349 ⋅204719.

It is a cyclic number.

It is not a de Polignac number, because 13964417 - 2² = 13964413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13964413) 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, 3209 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (3493824).

Almost surely, 2^13964417 is an apocalyptic number.

It is an amenable number.

13964417 is a deficient number, since it is larger than the sum of its proper divisors (10879).

13964417 is an equidigital number, since it uses as much as digits as its factorization.

13964417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878.

The product of its digits is 18144, while the sum is 35.

The square root of 13964417 is about 3736.8993831785. The cubic root of 13964417 is about 240.8098624839.

The spelling of 13964417 in words is "thirteen million, nine hundred sixty-four thousand, four hundred seventeen".