12159475 has 6 divisors (see below), whose sum is σ = 15077780. Its totient is φ = 9727560.

The previous prime is 12159473. The next prime is 12159481. The reversal of 12159475 is 57495121.

It is not a de Polignac number, because 12159475 - 2¹ = 12159473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12159475.

It is not an unprimeable number, because it can be changed into a prime (12159473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243165 + ... + 243214.

Almost surely, 2^12159475 is an apocalyptic number.

12159475 is a deficient number, since it is larger than the sum of its proper divisors (2918305).

12159475 is an equidigital number, since it uses as much as digits as its factorization.

12159475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486389 (or 486384 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 12159475 is about 3487.0438769823. The cubic root of 12159475 is about 229.9525737122.

The spelling of 12159475 in words is "twelve million, one hundred fifty-nine thousand, four hundred seventy-five".