18714963 has 4 divisors (see below), whose sum is σ = 24953288. Its totient is φ = 12476640.

The previous prime is 18714959. The next prime is 18715003. The reversal of 18714963 is 36941781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36941781 = 3 ⋅12313927.

It is not a de Polignac number, because 18714963 - 2² = 18714959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18714953) 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, 3119158 + ... + 3119163.

It is an arithmetic number, because the mean of its divisors is an integer number (6238322).

Almost surely, 2^18714963 is an apocalyptic number.

18714963 is a deficient number, since it is larger than the sum of its proper divisors (6238325).

18714963 is an equidigital number, since it uses as much as digits as its factorization.

18714963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238324.

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

The square root of 18714963 is about 4326.0794028774. The cubic root of 18714963 is about 265.4990619237.

The spelling of 18714963 in words is "eighteen million, seven hundred fourteen thousand, nine hundred sixty-three".