13812828 has 12 divisors (see below), whose sum is σ = 32229960. Its totient is φ = 4604272.

The previous prime is 13812809. The next prime is 13812833. The reversal of 13812828 is 82821831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 575523 + ... + 575546.

It is an arithmetic number, because the mean of its divisors is an integer number (2685830).

Almost surely, 2^13812828 is an apocalyptic number.

It is an amenable number.

13812828 is an abundant number, since it is smaller than the sum of its proper divisors (18417132).

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

13812828 is a wasteful number, since it uses less digits than its factorization.

13812828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151076 (or 1151074 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 13812828 is about 3716.5613139029. The cubic root of 13812828 is about 239.9353297978.

The spelling of 13812828 in words is "thirteen million, eight hundred twelve thousand, eight hundred twenty-eight".