13528417 has 4 divisors (see below), whose sum is σ = 15461056. Its totient is φ = 11595780.

The previous prime is 13528387. The next prime is 13528477. The reversal of 13528417 is 71482531.

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: 71482531 = 53 ⋅1348727.

It is not a de Polignac number, because 13528417 - 2⁷ = 13528289 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3 and base 11.

It is not an unprimeable number, because it can be changed into a prime (13528477) 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 3 ways as a sum of consecutive naturals, for example, 966309 + ... + 966322.

It is an arithmetic number, because the mean of its divisors is an integer number (3865264).

Almost surely, 2^13528417 is an apocalyptic number.

It is an amenable number.

13528417 is a deficient number, since it is larger than the sum of its proper divisors (1932639).

13528417 is an equidigital number, since it uses as much as digits as its factorization.

13528417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932638.

The product of its digits is 6720, while the sum is 31.

The square root of 13528417 is about 3678.0996451972. The cubic root of 13528417 is about 238.2771117271.

The spelling of 13528417 in words is "thirteen million, five hundred twenty-eight thousand, four hundred seventeen".