13701881 has 16 divisors (see below), whose sum is σ = 15030288. Its totient is φ = 12441600.

The previous prime is 13701829. The next prime is 13701893. The reversal of 13701881 is 18810731.

13701881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2706025 + 10995856 = 1645^2 + 3316^2 .

It is a cyclic number.

It is not a de Polignac number, because 13701881 - 2¹⁰ = 13700857 is a prime.

It is a super-2 number, since 2×13701881² = 375483085876322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13706881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75611 + ... + 75791.

It is an arithmetic number, because the mean of its divisors is an integer number (939393).

Almost surely, 2^13701881 is an apocalyptic number.

It is an amenable number.

13701881 is a deficient number, since it is larger than the sum of its proper divisors (1328407).

13701881 is a wasteful number, since it uses less digits than its factorization.

13701881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 13701881 is about 3701.6051923456. The cubic root of 13701881 is about 239.2912015714.

The spelling of 13701881 in words is "thirteen million, seven hundred one thousand, eight hundred eighty-one".