18513714 has 64 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 5345280.

The previous prime is 18513713. The next prime is 18513739. The reversal of 18513714 is 41731581.

It is not an unprimeable number, because it can be changed into a prime (18513713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79342 + ... + 79574.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^18513714 is an apocalyptic number.

18513714 is an abundant number, since it is smaller than the sum of its proper divisors (23943246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18513714 is a wasteful number, since it uses less digits than its factorization.

18513714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 3360, while the sum is 30.

The square root of 18513714 is about 4302.7565583007. The cubic root of 18513714 is about 264.5439599225.

It can be divided in two parts, 1851 and 3714, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 18513714 in words is "eighteen million, five hundred thirteen thousand, seven hundred fourteen".