13114881 has 24 divisors (see below), whose sum is σ = 20540520. Its totient is φ = 8015616.

The previous prime is 13114879. The next prime is 13114889. The reversal of 13114881 is 18841131.

13114881 is a nontrivial binomial coefficient, being equal to C(5122, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 1418481 + 11696400 = 1191^2 + 3420^2 .

It is not a de Polignac number, because 13114881 - 2¹ = 13114879 is a prime.

It is a super-2 number, since 2×13114881² = 344000207288322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13114889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22765 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (855855).

Almost surely, 2^13114881 is an apocalyptic number.

13114881 is the 5121-st triangular number and also the 2561-st hexagonal number.

It is an amenable number.

13114881 is a deficient number, since it is larger than the sum of its proper divisors (7425639).

13114881 is a wasteful number, since it uses less digits than its factorization.

13114881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 13114881 is about 3621.4473625886. The cubic root of 13114881 is about 235.8240633092.

The spelling of 13114881 in words is "thirteen million, one hundred fourteen thousand, eight hundred eighty-one".