13976 has 8 divisors (see below), whose sum is σ = 26220. Its totient is φ = 6984.

The previous prime is 13967. The next prime is 13997. The reversal of 13976 is 67931.

It is a happy number.

13976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

13976 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 866 + ... + 881.

2¹³⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

13976 is a deficient number, since it is larger than the sum of its proper divisors (12244).

13976 is a wasteful number, since it uses less digits than its factorization.

13976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1749 counting only the distinct ones).

The product of its digits is 1134, while the sum is 26.

The square root of 13976 is about 118.2201336491. The cubic root of 13976 is about 24.0876425229.

It can be divided in two parts, 13 and 976, that added together give a palindrome (989).

The spelling of 13976 in words is "thirteen thousand, nine hundred seventy-six".