13881708 has 36 divisors (see below), whose sum is σ = 35315280. Its totient is φ = 4597536.

The previous prime is 13881701. The next prime is 13881713. The reversal of 13881708 is 80718831.

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 not an unprimeable number, because it can be changed into a prime (13881701) 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, 4858 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (980980).

Almost surely, 2^13881708 is an apocalyptic number.

13881708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13881708 is an abundant number, since it is smaller than the sum of its proper divisors (21433572).

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

13881708 is a wasteful number, since it uses less digits than its factorization.

13881708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 13881708 is about 3725.8164205983. The cubic root of 13881708 is about 240.3334947074. Note that the first 3 decimals are identical.

It can be divided in two parts, 13 and 881708, that added together give a square (881721 = 939²).

The spelling of 13881708 in words is "thirteen million, eight hundred eighty-one thousand, seven hundred eight".