32040012 has 48 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 9860928.

The previous prime is 32040011. The next prime is 32040013. The reversal of 32040012 is 21004023.

It is an interprime number because it is at equal distance from previous prime (32040011) and next prime (32040013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 32040012.

It is not an unprimeable number, because it can be changed into a prime (32040011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6003 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^32040012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32040012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40360320).

32040012 is an abundant number, since it is smaller than the sum of its proper divisors (48680628).

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

32040012 is a wasteful number, since it uses less digits than its factorization.

32040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32040012 is about 5660.3897392317. The cubic root of 32040012 is about 317.6124783868.

Adding to 32040012 its reverse (21004023), we get a palindrome (53044035).

The spelling of 32040012 in words is "thirty-two million, forty thousand, twelve".