13249533 has 16 divisors (see below), whose sum is σ = 19348992. Its totient is φ = 7998000.

The previous prime is 13249513. The next prime is 13249543. The reversal of 13249533 is 33594231.

It is not a de Polignac number, because 13249533 - 2¹² = 13245437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13249533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249513) 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, 9618 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (1209312).

Almost surely, 2^13249533 is an apocalyptic number.

It is an amenable number.

13249533 is a deficient number, since it is larger than the sum of its proper divisors (6099459).

13249533 is a wasteful number, since it uses less digits than its factorization.

13249533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its digits is 9720, while the sum is 30.

The square root of 13249533 is about 3639.9907966917. The cubic root of 13249533 is about 236.6283944813.

It can be divided in two parts, 132 and 49533, that multiplied together give a palindrome (6538356).

The spelling of 13249533 in words is "thirteen million, two hundred forty-nine thousand, five hundred thirty-three".