13349533 has 4 divisors (see below), whose sum is σ = 14052160. Its totient is φ = 12646908.

The previous prime is 13349527. The next prime is 13349569. The reversal of 13349533 is 33594331.

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: 33594331 = 47 ⋅714773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13349533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13349495 and 13349504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13349503) 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, 351285 + ... + 351322.

It is an arithmetic number, because the mean of its divisors is an integer number (3513040).

Almost surely, 2^13349533 is an apocalyptic number.

It is an amenable number.

13349533 is a deficient number, since it is larger than the sum of its proper divisors (702627).

13349533 is an equidigital number, since it uses as much as digits as its factorization.

13349533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702626.

The product of its digits is 14580, while the sum is 31.

The square root of 13349533 is about 3653.7012740507. The cubic root of 13349533 is about 237.2222155757. Note that the first 4 decimals are identical.

The spelling of 13349533 in words is "thirteen million, three hundred forty-nine thousand, five hundred thirty-three".