14121687 has 16 divisors (see below), whose sum is σ = 19256832. Its totient is φ = 9203040.

The previous prime is 14121677. The next prime is 14121689. The reversal of 14121687 is 78612141.

It is not a de Polignac number, because 14121687 - 2⁶ = 14121623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35373 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (1203552).

Almost surely, 2^14121687 is an apocalyptic number.

14121687 is a deficient number, since it is larger than the sum of its proper divisors (5135145).

14121687 is a wasteful number, since it uses less digits than its factorization.

14121687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 2688, while the sum is 30.

The square root of 14121687 is about 3757.8833137818. The cubic root of 14121687 is about 241.7105057740.

The spelling of 14121687 in words is "fourteen million, one hundred twenty-one thousand, six hundred eighty-seven".