18412927 has 8 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 16756320.

The previous prime is 18412879. The next prime is 18412931. The reversal of 18412927 is 72921481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18412927 - 2¹⁹ = 17888639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18412892 and 18412901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18412027) 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, 9052 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (2513700).

Almost surely, 2^18412927 is an apocalyptic number.

18412927 is a deficient number, since it is larger than the sum of its proper divisors (1696673).

18412927 is a wasteful number, since it uses less digits than its factorization.

18412927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033.

The product of its digits is 8064, while the sum is 34.

The square root of 18412927 is about 4291.0286645512. The cubic root of 18412927 is about 264.0630349557.

The spelling of 18412927 in words is "eighteen million, four hundred twelve thousand, nine hundred twenty-seven".