13801668 has 12 divisors (see below), whose sum is σ = 32203920. Its totient is φ = 4600552.

The previous prime is 13801663. The next prime is 13801681. The reversal of 13801668 is 86610831.

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

It is not an unprimeable number, because it can be changed into a prime (13801661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575058 + ... + 575081.

It is an arithmetic number, because the mean of its divisors is an integer number (2683660).

Almost surely, 2^13801668 is an apocalyptic number.

It is an amenable number.

13801668 is an abundant number, since it is smaller than the sum of its proper divisors (18402252).

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

13801668 is a wasteful number, since it uses less digits than its factorization.

13801668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150146 (or 1150144 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13801668 is about 3715.0596226709. The cubic root of 13801668 is about 239.8706942348.

The spelling of 13801668 in words is "thirteen million, eight hundred one thousand, six hundred sixty-eight".