13040533 has 6 divisors (see below), whose sum is σ = 14333942. Its totient is φ = 11854920.

The previous prime is 13040527. The next prime is 13040543. The reversal of 13040533 is 33504031.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 4986289 = 2838^2 + 2233^2 .

It is not a de Polignac number, because 13040533 - 2¹⁷ = 12909461 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13040533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53766 + ... + 54007.

Almost surely, 2^13040533 is an apocalyptic number.

It is an amenable number.

13040533 is a deficient number, since it is larger than the sum of its proper divisors (1293409).

13040533 is a wasteful number, since it uses less digits than its factorization.

13040533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107795 (or 107784 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13040533 is about 3611.1678166488. The cubic root of 13040533 is about 235.3775912520.

Adding to 13040533 its reverse (33504031), we get a palindrome (46544564).

The spelling of 13040533 in words is "thirteen million, forty thousand, five hundred thirty-three".