18741712 has 20 divisors (see below), whose sum is σ = 39613536. Its totient is φ = 8518880.

The previous prime is 18741703. The next prime is 18741713. The reversal of 18741712 is 21714781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18741713) 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, 53068 + ... + 53419.

Almost surely, 2^18741712 is an apocalyptic number.

It is an amenable number.

18741712 is an abundant number, since it is smaller than the sum of its proper divisors (20871824).

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

18741712 is a wasteful number, since it uses less digits than its factorization.

18741712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106506 (or 106500 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 18741712 is about 4329.1698973360. The cubic root of 18741712 is about 265.6254929080.

The spelling of 18741712 in words is "eighteen million, seven hundred forty-one thousand, seven hundred twelve".