13526089 has 4 divisors (see below), whose sum is σ = 13539456. Its totient is φ = 13512724.

The previous prime is 13526069. The next prime is 13526141. The reversal of 13526089 is 98062531.

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: 98062531 = 7 ⋅14008933.

It is a cyclic number.

It is not a de Polignac number, because 13526089 - 2⁷ = 13525961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13526059) 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 3 ways as a sum of consecutive naturals, for example, 5029 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (3384864).

Almost surely, 2^13526089 is an apocalyptic number.

It is an amenable number.

13526089 is a deficient number, since it is larger than the sum of its proper divisors (13367).

13526089 is a wasteful number, since it uses less digits than its factorization.

13526089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13366.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13526089 is about 3677.7831638094. The cubic root of 13526089 is about 238.2634431918.

It can be divided in two parts, 1352 and 6089, that multiplied together give a palindrome (8232328).

The spelling of 13526089 in words is "thirteen million, five hundred twenty-six thousand, eighty-nine".