13713961 has 4 divisors (see below), whose sum is σ = 13722372. Its totient is φ = 13705552.

The previous prime is 13713949. The next prime is 13713977. The reversal of 13713961 is 16931731.

13713961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16931731 = 719 ⋅23549.

It can be written as a sum of positive squares in 2 ways, for example, as 10686361 + 3027600 = 3269^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 13713961 - 2⁵ = 13713929 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13713941) 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, 886 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (3430593).

Almost surely, 2^13713961 is an apocalyptic number.

It is an amenable number.

13713961 is a deficient number, since it is larger than the sum of its proper divisors (8411).

13713961 is an equidigital number, since it uses as much as digits as its factorization.

13713961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410.

The product of its digits is 3402, while the sum is 31.

The square root of 13713961 is about 3703.2365573914. The cubic root of 13713961 is about 239.3615030782.

The spelling of 13713961 in words is "thirteen million, seven hundred thirteen thousand, nine hundred sixty-one".