13971107 has 4 divisors (see below), whose sum is σ = 13988160. Its totient is φ = 13954056.

The previous prime is 13971103. The next prime is 13971109. The reversal of 13971107 is 70117931.

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

It is a cyclic number.

It is not a de Polignac number, because 13971107 - 2² = 13971103 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 13971107.

It is not an unprimeable number, because it can be changed into a prime (13971101) 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, 7232 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (3497040).

Almost surely, 2^13971107 is an apocalyptic number.

13971107 is a deficient number, since it is larger than the sum of its proper divisors (17053).

13971107 is an equidigital number, since it uses as much as digits as its factorization.

13971107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 13971107 is about 3737.7944031206. The cubic root of 13971107 is about 240.8483116551.

The spelling of 13971107 in words is "thirteen million, nine hundred seventy-one thousand, one hundred seven".