18853007 has 4 divisors (see below), whose sum is σ = 18861960. Its totient is φ = 18844056.

The previous prime is 18852971. The next prime is 18853013. The reversal of 18853007 is 70035881.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70035881 = 19 ⋅3686099.

It is a cyclic number.

It is not a de Polignac number, because 18853007 - 2¹² = 18848911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (4715490).

Almost surely, 2^18853007 is an apocalyptic number.

18853007 is a deficient number, since it is larger than the sum of its proper divisors (8953).

18853007 is an equidigital number, since it uses as much as digits as its factorization.

18853007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952.

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

The square root of 18853007 is about 4342.0049516324. The cubic root of 18853007 is about 266.1502486575.

Adding to 18853007 its reverse (70035881), we get a palindrome (88888888).

The spelling of 18853007 in words is "eighteen million, eight hundred fifty-three thousand, seven".