13522887 has 24 divisors (see below), whose sum is σ = 22803456. Its totient is φ = 7561296.

The previous prime is 13522879. The next prime is 13522909. The reversal of 13522887 is 78822531.

It is not a de Polignac number, because 13522887 - 2³ = 13522879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (950144).

Almost surely, 2^13522887 is an apocalyptic number.

13522887 is a deficient number, since it is larger than the sum of its proper divisors (9280569).

13522887 is a wasteful number, since it uses less digits than its factorization.

13522887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627 (or 4624 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 13522887 is about 3677.3478214605. The cubic root of 13522887 is about 238.2446405220.

The spelling of 13522887 in words is "thirteen million, five hundred twenty-two thousand, eight hundred eighty-seven".