18296121 has 8 divisors (see below), whose sum is σ = 24488640. Its totient is φ = 12150512.

The previous prime is 18296119. The next prime is 18296141. The reversal of 18296121 is 12169281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18296121 - 2¹ = 18296119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18296111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (3061080).

Almost surely, 2^18296121 is an apocalyptic number.

It is an amenable number.

18296121 is a deficient number, since it is larger than the sum of its proper divisors (6192519).

18296121 is a wasteful number, since it uses less digits than its factorization.

18296121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455.

The product of its digits is 1728, while the sum is 30.

The square root of 18296121 is about 4277.3965212498. The cubic root of 18296121 is about 263.5034715639.

The spelling of 18296121 in words is "eighteen million, two hundred ninety-six thousand, one hundred twenty-one".