18860912 has 40 divisors (see below), whose sum is σ = 42663936. Its totient is φ = 7909056.

The previous prime is 18860903. The next prime is 18860917. The reversal of 18860912 is 21906881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18860917) 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, 3473 + ... + 7055.

Almost surely, 2^18860912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18860912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21331968).

18860912 is an abundant number, since it is smaller than the sum of its proper divisors (23803024).

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

18860912 is a wasteful number, since it uses less digits than its factorization.

18860912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 18860912 is about 4342.9151499885. The cubic root of 18860912 is about 266.1874420829.

It can be divided in two parts, 188 and 60912, that multiplied together give a square (11451456 = 3384²).

The spelling of 18860912 in words is "eighteen million, eight hundred sixty thousand, nine hundred twelve".