13961117 has 6 divisors (see below), whose sum is σ = 14146398. Its totient is φ = 13778232.

The previous prime is 13961083. The next prime is 13961119. The reversal of 13961117 is 71116931.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 755161 = 3634^2 + 869^2 .

It is not a de Polignac number, because 13961117 - 2¹⁸ = 13698973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13961117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13961119) 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 5 ways as a sum of consecutive naturals, for example, 5123 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (2357733).

Almost surely, 2^13961117 is an apocalyptic number.

It is an amenable number.

13961117 is a deficient number, since it is larger than the sum of its proper divisors (185281).

13961117 is an frugal number, since it uses more digits than its factorization.

13961117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2316 counting only the distinct ones).

The product of its digits is 1134, while the sum is 29.

The square root of 13961117 is about 3736.4578145618. The cubic root of 13961117 is about 240.7908920022.

The spelling of 13961117 in words is "thirteen million, nine hundred sixty-one thousand, one hundred seventeen".