18716712 has 32 divisors (see below), whose sum is σ = 53476800. Its totient is φ = 5347584.

The previous prime is 18716707. The next prime is 18716713. The reversal of 18716712 is 21761781.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18716713) 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, 55537 + ... + 55872.

It is an arithmetic number, because the mean of its divisors is an integer number (1671150).

Almost surely, 2^18716712 is an apocalyptic number.

18716712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18716712 is an abundant number, since it is smaller than the sum of its proper divisors (34760088).

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

18716712 is a wasteful number, since it uses less digits than its factorization.

18716712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111425 (or 111421 counting only the distinct ones).

The product of its digits is 4704, while the sum is 33.

The square root of 18716712 is about 4326.2815442363. The cubic root of 18716712 is about 265.5073323719.

The spelling of 18716712 in words is "eighteen million, seven hundred sixteen thousand, seven hundred twelve".