18120896 has 14 divisors (see below), whose sum is σ = 35958780. Its totient is φ = 9060416.

The previous prime is 18120871. The next prime is 18120899. The reversal of 18120896 is 69802181.

It is not an unprimeable number, because it can be changed into a prime (18120899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141506 + ... + 141633.

Almost surely, 2^18120896 is an apocalyptic number.

18120896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18120896 is a deficient number, since it is larger than the sum of its proper divisors (17837884).

18120896 is an equidigital number, since it uses as much as digits as its factorization.

18120896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283151 (or 283141 counting only the distinct ones).

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

The square root of 18120896 is about 4256.8645738384. The cubic root of 18120896 is about 262.6595661744.

The spelling of 18120896 in words is "eighteen million, one hundred twenty thousand, eight hundred ninety-six".