18126275 has 12 divisors (see below), whose sum is σ = 22859400. Its totient is φ = 14254080.

The previous prime is 18126271. The next prime is 18126307. The reversal of 18126275 is 57262181.

It is not a de Polignac number, because 18126275 - 2² = 18126271 is a prime.

It is a super-4 number, since 4×18126275⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (18126271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4670 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (1904950).

Almost surely, 2^18126275 is an apocalyptic number.

18126275 is a deficient number, since it is larger than the sum of its proper divisors (4733125).

18126275 is a wasteful number, since it uses less digits than its factorization.

18126275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358 (or 12353 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 18126275 is about 4257.4963300043. The cubic root of 18126275 is about 262.6855528591.

The spelling of 18126275 in words is "eighteen million, one hundred twenty-six thousand, two hundred seventy-five".