13553291 has 4 divisors (see below), whose sum is σ = 13687584. Its totient is φ = 13419000.

The previous prime is 13553269. The next prime is 13553311. The reversal of 13553291 is 19235531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13553291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553201) 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, 66995 + ... + 67196.

It is an arithmetic number, because the mean of its divisors is an integer number (3421896).

Almost surely, 2^13553291 is an apocalyptic number.

13553291 is a deficient number, since it is larger than the sum of its proper divisors (134293).

13553291 is a wasteful number, since it uses less digits than its factorization.

13553291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134292.

The product of its digits is 4050, while the sum is 29.

The square root of 13553291 is about 3681.4794580440. The cubic root of 13553291 is about 238.4230582456.

The spelling of 13553291 in words is "thirteen million, five hundred fifty-three thousand, two hundred ninety-one".