13552869 has 16 divisors (see below), whose sum is σ = 20173824. Its totient is φ = 8022000.

The previous prime is 13552853. The next prime is 13552879. The reversal of 13552869 is 96825531.

It is not a de Polignac number, because 13552869 - 2⁴ = 13552853 is a prime.

It is a super-2 number, since 2×13552869² = 367360516262322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13552829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (1260864).

Almost surely, 2^13552869 is an apocalyptic number.

It is an amenable number.

13552869 is a deficient number, since it is larger than the sum of its proper divisors (6620955).

13552869 is a wasteful number, since it uses less digits than its factorization.

13552869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608.

The product of its digits is 64800, while the sum is 39.

The square root of 13552869 is about 3681.4221436831. The cubic root of 13552869 is about 238.4205836787.

It can be divided in two parts, 1355 and 2869, that added together give a palindrome (4224).

The spelling of 13552869 in words is "thirteen million, five hundred fifty-two thousand, eight hundred sixty-nine".