12475989 has 12 divisors (see below), whose sum is σ = 18969600. Its totient is φ = 7879464.

The previous prime is 12475987. The next prime is 12475997. The reversal of 12475989 is 98957421.

12475989 is a `hidden beast` number, since 12 + 47 + 598 + 9 = 666.

It is not a de Polignac number, because 12475989 - 2¹ = 12475987 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12475987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36309 + ... + 36650.

It is an arithmetic number, because the mean of its divisors is an integer number (1580800).

Almost surely, 2^12475989 is an apocalyptic number.

12475989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12475989 is a deficient number, since it is larger than the sum of its proper divisors (6493611).

12475989 is a wasteful number, since it uses less digits than its factorization.

12475989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72984 (or 72981 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 12475989 is about 3532.1366055123. The cubic root of 12475989 is about 231.9307475128.

The spelling of 12475989 in words is "twelve million, four hundred seventy-five thousand, nine hundred eighty-nine".