12295140 has 96 divisors (see below), whose sum is σ = 40473216. Its totient is φ = 2749440.

The previous prime is 12295117. The next prime is 12295163. The reversal of 12295140 is 4159221.

It is an interprime number because it is at equal distance from previous prime (12295117) and next prime (12295163).

It is a self number, because there is not a number n which added to its sum of digits gives 12295140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7864 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (421596).

Almost surely, 2^12295140 is an apocalyptic number.

12295140 is a gapful number since it is divisible by the number (10) 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 12295140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20236608).

12295140 is an abundant number, since it is smaller than the sum of its proper divisors (28178076).

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

12295140 is a wasteful number, since it uses less digits than its factorization.

12295140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12295140 is about 3506.4426417667. The cubic root of 12295140 is about 230.8046173085.

The spelling of 12295140 in words is "twelve million, two hundred ninety-five thousand, one hundred forty".