18126907 has 2 divisors, whose sum is σ = 18126908. Its totient is φ = 18126906.

The previous prime is 18126883. The next prime is 18126923. The reversal of 18126907 is 70962181.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70962181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18126907 - 2¹⁹ = 17602619 is a prime.

It is not a weakly prime, because it can be changed into another prime (18126937) 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 as a sum of consecutive naturals, namely, 9063453 + 9063454.

It is an arithmetic number, because the mean of its divisors is an integer number (9063454).

Almost surely, 2^18126907 is an apocalyptic number.

18126907 is a deficient number, since it is larger than the sum of its proper divisors (1).

18126907 is an equidigital number, since it uses as much as digits as its factorization.

18126907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 18126907 is about 4257.5705513826. The cubic root of 18126907 is about 262.6886058000.

The spelling of 18126907 in words is "eighteen million, one hundred twenty-six thousand, nine hundred seven".