18079413 has 16 divisors (see below), whose sum is σ = 26796096. Its totient is φ = 10749440.

The previous prime is 18079379. The next prime is 18079427. The reversal of 18079413 is 31497081.

It is a cyclic number.

It is not a de Polignac number, because 18079413 - 2¹⁴ = 18063029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18079463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (1674756).

Almost surely, 2^18079413 is an apocalyptic number.

It is an amenable number.

18079413 is a deficient number, since it is larger than the sum of its proper divisors (8716683).

18079413 is a wasteful number, since it uses less digits than its factorization.

18079413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 18079413 is about 4251.9892991399. The cubic root of 18079413 is about 262.4589831604.

The spelling of 18079413 in words is "eighteen million, seventy-nine thousand, four hundred thirteen".