18532112 has 20 divisors (see below), whose sum is σ = 37467840. Its totient is φ = 8863008.

The previous prime is 18532103. The next prime is 18532211. The reversal of 18532112 is 21123581.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24812 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (1873392).

Almost surely, 2^18532112 is an apocalyptic number.

It is an amenable number.

18532112 is an abundant number, since it is smaller than the sum of its proper divisors (18935728).

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

18532112 is a wasteful number, since it uses less digits than its factorization.

18532112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390 (or 50384 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 18532112 is about 4304.8939592050. The cubic root of 18532112 is about 264.6315610821.

Adding to 18532112 its reverse (21123581), we get a palindrome (39655693).

The spelling of 18532112 in words is "eighteen million, five hundred thirty-two thousand, one hundred twelve".