13552417 has 4 divisors (see below), whose sum is σ = 14349636. Its totient is φ = 12755200.

The previous prime is 13552393. The next prime is 13552421. The reversal of 13552417 is 71425531.

It is a happy number.

13552417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71425531 = 677 ⋅105503.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 2202256 = 3369^2 + 1484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13552417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13552457) 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, 398584 + ... + 398617.

It is an arithmetic number, because the mean of its divisors is an integer number (3587409).

Almost surely, 2^13552417 is an apocalyptic number.

13552417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13552417 is a deficient number, since it is larger than the sum of its proper divisors (797219).

13552417 is an equidigital number, since it uses as much as digits as its factorization.

13552417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797218.

The product of its digits is 4200, while the sum is 28.

The square root of 13552417 is about 3681.3607538518. The cubic root of 13552417 is about 238.4179331378.

Adding to 13552417 its reverse (71425531), we get a palindrome (84977948).

The spelling of 13552417 in words is "thirteen million, five hundred fifty-two thousand, four hundred seventeen".