12145876 has 12 divisors (see below), whose sum is σ = 21366772. Its totient is φ = 6041088.

The previous prime is 12145873. The next prime is 12145877. The reversal of 12145876 is 67854121.

12145876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 10112400 = 1426^2 + 3180^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145873) 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, 7095 + ... + 8638.

Almost surely, 2^12145876 is an apocalyptic number.

It is an amenable number.

12145876 is a deficient number, since it is larger than the sum of its proper divisors (9220896).

12145876 is a wasteful number, since it uses less digits than its factorization.

12145876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930 (or 15928 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 12145876 is about 3485.0933990354. The cubic root of 12145876 is about 229.8668164035.

Adding to 12145876 its reverse (67854121), we get a palindrome (79999997).

The spelling of 12145876 in words is "twelve million, one hundred forty-five thousand, eight hundred seventy-six".