13860828 has 24 divisors (see below), whose sum is σ = 35935760. Its totient is φ = 4620240.

The previous prime is 13860827. The next prime is 13860841. The reversal of 13860828 is 82806831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13860792 and 13860801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13860827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64063 + ... + 64278.

Almost surely, 2^13860828 is an apocalyptic number.

13860828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13860828 is an abundant number, since it is smaller than the sum of its proper divisors (22074932).

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

13860828 is a wasteful number, since it uses less digits than its factorization.

13860828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128354 (or 128346 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 13860828 is about 3723.0132957055. The cubic root of 13860828 is about 240.2129360202.

The spelling of 13860828 in words is "thirteen million, eight hundred sixty thousand, eight hundred twenty-eight".