18132703 has 2 divisors, whose sum is σ = 18132704. Its totient is φ = 18132702.

The previous prime is 18132683. The next prime is 18132721. The reversal of 18132703 is 30723181.

It is a strong prime.

It is an emirp because it is prime and its reverse (30723181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18132703 - 2¹³ = 18124511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18132733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066351 + 9066352.

It is an arithmetic number, because the mean of its divisors is an integer number (9066352).

Almost surely, 2^18132703 is an apocalyptic number.

18132703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18132703 is an equidigital number, since it uses as much as digits as its factorization.

18132703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 18132703 is about 4258.2511668524. The cubic root of 18132703 is about 262.7166006645.

Adding to 18132703 its reverse (30723181), we get a palindrome (48855884).

The spelling of 18132703 in words is "eighteen million, one hundred thirty-two thousand, seven hundred three".