13828764 has 12 divisors (see below), whose sum is σ = 32267144. Its totient is φ = 4609584.

The previous prime is 13828723. The next prime is 13828777. The reversal of 13828764 is 46782831.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576187 + ... + 576210.

Almost surely, 2^13828764 is an apocalyptic number.

It is an amenable number.

13828764 is an abundant number, since it is smaller than the sum of its proper divisors (18438380).

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

13828764 is a wasteful number, since it uses less digits than its factorization.

13828764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152404 (or 1152402 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 13828764 is about 3718.7046131684. The cubic root of 13828764 is about 240.0275662781.

The spelling of 13828764 in words is "thirteen million, eight hundred twenty-eight thousand, seven hundred sixty-four".