12946875 has 24 divisors (see below), whose sum is σ = 21592368. Its totient is φ = 6900000.

The previous prime is 12946873. The next prime is 12946883. The reversal of 12946875 is 57864921.

It is not a de Polignac number, because 12946875 - 2¹ = 12946873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12946873) 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, 8685 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (899682).

Almost surely, 2^12946875 is an apocalyptic number.

12946875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12946875 is a deficient number, since it is larger than the sum of its proper divisors (8645493).

12946875 is an frugal number, since it uses more digits than its factorization.

12946875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1389 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 12946875 is about 3598.1766215682. The cubic root of 12946875 is about 234.8127374930.

The spelling of 12946875 in words is "twelve million, nine hundred forty-six thousand, eight hundred seventy-five".