13533297 has 4 divisors (see below), whose sum is σ = 18044400. Its totient is φ = 9022196.

The previous prime is 13533287. The next prime is 13533313. The reversal of 13533297 is 79233531.

13533297 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13533297 - 2¹⁴ = 13516913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13533287) 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, 2255547 + ... + 2255552.

It is an arithmetic number, because the mean of its divisors is an integer number (4511100).

Almost surely, 2^13533297 is an apocalyptic number.

It is an amenable number.

13533297 is a deficient number, since it is larger than the sum of its proper divisors (4511103).

13533297 is an equidigital number, since it uses as much as digits as its factorization.

13533297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511102.

The product of its digits is 17010, while the sum is 33.

The square root of 13533297 is about 3678.7629714348. The cubic root of 13533297 is about 238.3057588955.

The spelling of 13533297 in words is "thirteen million, five hundred thirty-three thousand, two hundred ninety-seven".