18786053 has 8 divisors (see below), whose sum is σ = 22070496. Its totient is φ = 15764400.

The previous prime is 18786023. The next prime is 18786059. The reversal of 18786053 is 35068781.

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

It is a cyclic number.

It is not a de Polignac number, because 18786053 - 2¹⁸ = 18523909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18785998 and 18786016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18786059) 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, 65543 + ... + 65828.

It is an arithmetic number, because the mean of its divisors is an integer number (2758812).

Almost surely, 2^18786053 is an apocalyptic number.

18786053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18786053 is a deficient number, since it is larger than the sum of its proper divisors (3284443).

18786053 is a wasteful number, since it uses less digits than its factorization.

18786053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131395.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 18786053 is about 4334.2880614929. The cubic root of 18786053 is about 265.8348089614.

The spelling of 18786053 in words is "eighteen million, seven hundred eighty-six thousand, fifty-three".