13230388 has 12 divisors (see below), whose sum is σ = 23197860. Its totient is φ = 6602432.

The previous prime is 13230383. The next prime is 13230389. The reversal of 13230388 is 88303231.

It can be written as a sum of positive squares in 2 ways, for example, as 5513104 + 7717284 = 2348^2 + 2778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (1933155).

Almost surely, 2^13230388 is an apocalyptic number.

It is an amenable number.

13230388 is a deficient number, since it is larger than the sum of its proper divisors (9967472).

13230388 is a wasteful number, since it uses less digits than its factorization.

13230388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13230388 is about 3637.3600316713. The cubic root of 13230388 is about 236.5143669562.

The spelling of 13230388 in words is "thirteen million, two hundred thirty thousand, three hundred eighty-eight".