18807026 has 16 divisors (see below), whose sum is σ = 33112896. Its totient is φ = 7842096.

The previous prime is 18807023. The next prime is 18807037. The reversal of 18807026 is 62070881.

It is a junction number, because it is equal to n+sod(n) for n = 18806983 and 18807001.

It is not an unprimeable number, because it can be changed into a prime (18807023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17636 + ... + 18671.

It is an arithmetic number, because the mean of its divisors is an integer number (2069556).

Almost surely, 2^18807026 is an apocalyptic number.

18807026 is a deficient number, since it is larger than the sum of its proper divisors (14305870).

18807026 is a wasteful number, since it uses less digits than its factorization.

18807026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36353.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 18807026 is about 4336.7068150845. The cubic root of 18807026 is about 265.9336993445.

The spelling of 18807026 in words is "eighteen million, eight hundred seven thousand, twenty-six".