18886132 has 12 divisors (see below), whose sum is σ = 33944260. Its totient is φ = 9187776.

The previous prime is 18886123. The next prime is 18886157. The reversal of 18886132 is 23168881.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 10797796 = 2844^2 + 3286^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 18886091 and 18886100.

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, 63657 + ... + 63952.

Almost surely, 2^18886132 is an apocalyptic number.

It is an amenable number.

18886132 is a deficient number, since it is larger than the sum of its proper divisors (15058128).

18886132 is a wasteful number, since it uses less digits than its factorization.

18886132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127650 (or 127648 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 18886132 is about 4345.8177596397. The cubic root of 18886132 is about 266.3060340380.

It can be divided in two parts, 188 and 86132, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 18886132 in words is "eighteen million, eight hundred eighty-six thousand, one hundred thirty-two".