18532412 has 12 divisors (see below), whose sum is σ = 33308520. Its totient is φ = 9015696.

The previous prime is 18532403. The next prime is 18532447. The reversal of 18532412 is 21423581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62462 + ... + 62757.

It is an arithmetic number, because the mean of its divisors is an integer number (2775710).

Almost surely, 2^18532412 is an apocalyptic number.

It is an amenable number.

18532412 is a deficient number, since it is larger than the sum of its proper divisors (14776108).

18532412 is a wasteful number, since it uses less digits than its factorization.

18532412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125260 (or 125258 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 18532412 is about 4304.9288031279. The cubic root of 18532412 is about 264.6329890366.

Adding to 18532412 its reverse (21423581), we get a palindrome (39955993).

The spelling of 18532412 in words is "eighteen million, five hundred thirty-two thousand, four hundred twelve".