13490533 has 16 divisors (see below), whose sum is σ = 16172800. Its totient is φ = 11240208.

The previous prime is 13490509. The next prime is 13490573. The reversal of 13490533 is 33509431.

It is not a de Polignac number, because 13490533 - 2¹³ = 13482341 is a prime.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 13490533 = 21³ + 238³ = 114³ + 229³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490573) 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, 12160 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (1010800).

Almost surely, 2^13490533 is an apocalyptic number.

It is an amenable number.

13490533 is a deficient number, since it is larger than the sum of its proper divisors (2682267).

13490533 is an equidigital number, since it uses as much as digits as its factorization.

13490533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13490533 is about 3672.9460927163. The cubic root of 13490533 is about 238.0544857954.

Adding to 13490533 its reverse (33509431), we get a palindrome (46999964).

The spelling of 13490533 in words is "thirteen million, four hundred ninety thousand, five hundred thirty-three".