13973707 has 4 divisors (see below), whose sum is σ = 15244056. Its totient is φ = 12703360.

The previous prime is 13973671. The next prime is 13973731. The reversal of 13973707 is 70737931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13973707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13973767) 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 3 ways as a sum of consecutive naturals, for example, 635158 + ... + 635179.

It is an arithmetic number, because the mean of its divisors is an integer number (3811014).

Almost surely, 2^13973707 is an apocalyptic number.

13973707 is a deficient number, since it is larger than the sum of its proper divisors (1270349).

13973707 is a wasteful number, since it uses less digits than its factorization.

13973707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270348.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 13973707 is about 3738.1421856318. The cubic root of 13973707 is about 240.8632512198.

The spelling of 13973707 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred seven".