32130912 has 48 divisors (see below), whose sum is σ = 92014272. Its totient is φ = 9736320.

The previous prime is 32130899. The next prime is 32130913. The reversal of 32130912 is 21903123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (1916964).

Almost surely, 2^32130912 is an apocalyptic number.

32130912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32130912 is an abundant number, since it is smaller than the sum of its proper divisors (59883360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32130912 is a wasteful number, since it uses less digits than its factorization.

32130912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30451 (or 30443 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 32130912 is about 5668.4135346673. The cubic root of 32130912 is about 317.9125585300.

The spelling of 32130912 in words is "thirty-two million, one hundred thirty thousand, nine hundred twelve".