13614987 has 4 divisors (see below), whose sum is σ = 18153320. Its totient is φ = 9076656.

The previous prime is 13614967. The next prime is 13614989. The reversal of 13614987 is 78941631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78941631 = 3 ⋅26313877.

It is not a de Polignac number, because 13614987 - 2¹⁴ = 13598603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13614989) 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 3 ways as a sum of consecutive naturals, for example, 2269162 + ... + 2269167.

It is an arithmetic number, because the mean of its divisors is an integer number (4538330).

Almost surely, 2^13614987 is an apocalyptic number.

13614987 is a deficient number, since it is larger than the sum of its proper divisors (4538333).

13614987 is an equidigital number, since it uses as much as digits as its factorization.

13614987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538332.

The product of its digits is 36288, while the sum is 39.

The square root of 13614987 is about 3689.8491839098. The cubic root of 13614987 is about 238.7842862595.

The spelling of 13614987 in words is "thirteen million, six hundred fourteen thousand, nine hundred eighty-seven".