13235530 has 32 divisors (see below), whose sum is σ = 29704320. Its totient is φ = 4125120.

The previous prime is 13235507. The next prime is 13235539. The reversal of 13235530 is 3553231.

13235530 = 376² + 377² + ... + 452².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13235539) 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 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 9364.

It is an arithmetic number, because the mean of its divisors is an integer number (928260).

Almost surely, 2^13235530 is an apocalyptic number.

13235530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13235530 is an abundant number, since it is smaller than the sum of its proper divisors (16468790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13235530 is a wasteful number, since it uses less digits than its factorization.

13235530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214.

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

The square root of 13235530 is about 3638.0667943291. The cubic root of 13235530 is about 236.5450034816.

Adding to 13235530 its reverse (3553231), we get a palindrome (16788761).

The spelling of 13235530 in words is "thirteen million, two hundred thirty-five thousand, five hundred thirty".