12275989 has 8 divisors (see below), whose sum is σ = 14179968. Its totient is φ = 10503360.

The previous prime is 12275959. The next prime is 12276001. The reversal of 12275989 is 98957221.

12275989 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12275989 - 2¹⁵ = 12243221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32637 + ... + 33010.

It is an arithmetic number, because the mean of its divisors is an integer number (1772496).

Almost surely, 2^12275989 is an apocalyptic number.

It is an amenable number.

12275989 is a deficient number, since it is larger than the sum of its proper divisors (1903979).

12275989 is a wasteful number, since it uses less digits than its factorization.

12275989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65675.

The product of its digits is 90720, while the sum is 43.

The square root of 12275989 is about 3503.7107471936. The cubic root of 12275989 is about 230.6847207163.

The spelling of 12275989 in words is "twelve million, two hundred seventy-five thousand, nine hundred eighty-nine".