13802868 has 36 divisors (see below), whose sum is σ = 35176960. Its totient is φ = 4563216.

The previous prime is 13802863. The next prime is 13802891. The reversal of 13802868 is 86820831.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3063 + ... + 6081.

Almost surely, 2^13802868 is an apocalyptic number.

13802868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13802868 is an abundant number, since it is smaller than the sum of its proper divisors (21374092).

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

13802868 is a wasteful number, since it uses less digits than its factorization.

13802868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156 (or 3151 counting only the distinct ones).

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

The square root of 13802868 is about 3715.2211239710. The cubic root of 13802868 is about 239.8776459668.

The spelling of 13802868 in words is "thirteen million, eight hundred two thousand, eight hundred sixty-eight".