14113987 has 4 divisors (see below), whose sum is σ = 14251120. Its totient is φ = 13976856.

The previous prime is 14113943. The next prime is 14113991. The reversal of 14113987 is 78931141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78931141 = 3167 ⋅24923.

It is a cyclic number.

It is not a de Polignac number, because 14113987 - 2¹⁹ = 13589699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14113907) 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, 68412 + ... + 68617.

It is an arithmetic number, because the mean of its divisors is an integer number (3562780).

Almost surely, 2^14113987 is an apocalyptic number.

14113987 is a deficient number, since it is larger than the sum of its proper divisors (137133).

14113987 is a wasteful number, since it uses less digits than its factorization.

14113987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137132.

The product of its digits is 6048, while the sum is 34.

The square root of 14113987 is about 3756.8586611689. The cubic root of 14113987 is about 241.6665660457. Note that the first 3 decimals are identical.

The spelling of 14113987 in words is "fourteen million, one hundred thirteen thousand, nine hundred eighty-seven".