18725132 has 12 divisors (see below), whose sum is σ = 33164376. Its totient is φ = 9249600.

The previous prime is 18725131. The next prime is 18725137. The reversal of 18725132 is 23152781.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18725095 and 18725104.

It is not an unprimeable number, because it can be changed into a prime (18725131) 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, 27869 + ... + 28532.

It is an arithmetic number, because the mean of its divisors is an integer number (2763698).

Almost surely, 2^18725132 is an apocalyptic number.

It is an amenable number.

18725132 is a deficient number, since it is larger than the sum of its proper divisors (14439244).

18725132 is a wasteful number, since it uses less digits than its factorization.

18725132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56488 (or 56486 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 18725132 is about 4327.2545568755. The cubic root of 18725132 is about 265.5471405851.

The spelling of 18725132 in words is "eighteen million, seven hundred twenty-five thousand, one hundred thirty-two".