13330525 has 12 divisors (see below), whose sum is σ = 17801812. Its totient is φ = 9843840.

The previous prime is 13330523. The next prime is 13330529. The reversal of 13330525 is 52503331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 521284 + 12809241 = 722^2 + 3579^2 .

It is not a de Polignac number, because 13330525 - 2¹ = 13330523 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13330496 and 13330505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20184 + ... + 20833.

Almost surely, 2^13330525 is an apocalyptic number.

It is an amenable number.

13330525 is a deficient number, since it is larger than the sum of its proper divisors (4471287).

13330525 is a wasteful number, since it uses less digits than its factorization.

13330525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41040 (or 41035 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 13330525 is about 3651.0991495713. The cubic root of 13330525 is about 237.1095708936.

Adding to 13330525 its reverse (52503331), we get a palindrome (65833856).

It can be divided in two parts, 133 and 30525, that multiplied together give a triangular number (4059825 = T₂₈₄₉).

The spelling of 13330525 in words is "thirteen million, three hundred thirty thousand, five hundred twenty-five".