4512312 has 72 divisors (see below), whose sum is σ = 14227200. Its totient is φ = 1288224.

The previous prime is 4512283. The next prime is 4512317. The reversal of 4512312 is 2132154.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512317) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2889 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (197600).

Almost surely, 2^4512312 is an apocalyptic number.

4512312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7113600).

4512312 is an abundant number, since it is smaller than the sum of its proper divisors (9714888).

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

4512312 is a wasteful number, since it uses less digits than its factorization.

4512312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1291 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4512312 is about 2124.2203275555. The cubic root of 4512312 is about 165.2467932177.

Adding to 4512312 its reverse (2132154), we get a palindrome (6644466).

The spelling of 4512312 in words is "four million, five hundred twelve thousand, three hundred twelve".