18713413 has 8 divisors (see below), whose sum is σ = 19854720. Its totient is φ = 17576640.

The previous prime is 18713411. The next prime is 18713437. The reversal of 18713413 is 31431781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18713413 - 2¹ = 18713411 is a prime.

It is a super-2 number, since 2×18713413² = 700383652217138, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18713411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11458 + ... + 12988.

It is an arithmetic number, because the mean of its divisors is an integer number (2481840).

Almost surely, 2^18713413 is an apocalyptic number.

It is an amenable number.

18713413 is a deficient number, since it is larger than the sum of its proper divisors (1141307).

18713413 is a wasteful number, since it uses less digits than its factorization.

18713413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

The product of its digits is 2016, while the sum is 28.

The square root of 18713413 is about 4325.9002531265. The cubic root of 18713413 is about 265.4917320507.

The spelling of 18713413 in words is "eighteen million, seven hundred thirteen thousand, four hundred thirteen".