18062413 has 4 divisors (see below), whose sum is σ = 18071100. Its totient is φ = 18053728.

The previous prime is 18062357. The next prime is 18062423. The reversal of 18062413 is 31426081.

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: 31426081 = 17 ⋅1848593.

It can be written as a sum of positive squares in 2 ways, for example, as 6215049 + 11847364 = 2493^2 + 3442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18062413 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 (18062423) 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, 831 + ... + 6067.

It is an arithmetic number, because the mean of its divisors is an integer number (4517775).

Almost surely, 2^18062413 is an apocalyptic number.

It is an amenable number.

18062413 is a deficient number, since it is larger than the sum of its proper divisors (8687).

18062413 is an equidigital number, since it uses as much as digits as its factorization.

18062413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18062413 is about 4249.9897646936. The cubic root of 18062413 is about 262.3766943177.

Adding to 18062413 its reverse (31426081), we get a palindrome (49488494).

The spelling of 18062413 in words is "eighteen million, sixty-two thousand, four hundred thirteen".