12142893 has 24 divisors (see below), whose sum is σ = 18970048. Its totient is φ = 6766848.

The previous prime is 12142891. The next prime is 12142931. The reversal of 12142893 is 39824121.

12142893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12142893 - 2¹ = 12142891 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12142893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136393 + ... + 136481.

Almost surely, 2^12142893 is an apocalyptic number.

It is an amenable number.

12142893 is a deficient number, since it is larger than the sum of its proper divisors (6827155).

12142893 is an frugal number, since it uses more digits than its factorization.

12142893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 172 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 12142893 is about 3484.6654071804. The cubic root of 12142893 is about 229.8479966039.

The spelling of 12142893 in words is "twelve million, one hundred forty-two thousand, eight hundred ninety-three".