13828433 has 4 divisors (see below), whose sum is σ = 13839540. Its totient is φ = 13817328.

The previous prime is 13828411. The next prime is 13828459. The reversal of 13828433 is 33482831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4635409 + 9193024 = 2153^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 13828433 - 2¹² = 13824337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13828433.

It is not an unprimeable number, because it can be changed into a prime (13828933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (3459885).

Almost surely, 2^13828433 is an apocalyptic number.

It is an amenable number.

13828433 is a deficient number, since it is larger than the sum of its proper divisors (11107).

13828433 is an equidigital number, since it uses as much as digits as its factorization.

13828433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106.

The product of its digits is 13824, while the sum is 32.

The square root of 13828433 is about 3718.6601081572. The cubic root of 13828433 is about 240.0256511935.

The spelling of 13828433 in words is "thirteen million, eight hundred twenty-eight thousand, four hundred thirty-three".