12989375 has 20 divisors (see below), whose sum is σ = 18556560. Its totient is φ = 8904000.

The previous prime is 12989351. The next prime is 12989387. The reversal of 12989375 is 57398921.

It is not a de Polignac number, because 12989375 - 2¹⁶ = 12923839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2891 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (927828).

Almost surely, 2^12989375 is an apocalyptic number.

12989375 is a deficient number, since it is larger than the sum of its proper divisors (5567185).

12989375 is an frugal number, since it uses more digits than its factorization.

12989375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996 (or 2981 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 12989375 is about 3604.0775518848. The cubic root of 12989375 is about 235.0693925146.

The spelling of 12989375 in words is "twelve million, nine hundred eighty-nine thousand, three hundred seventy-five".