12146169 has 24 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 6805344.

The previous prime is 12146117. The next prime is 12146191. The reversal of 12146169 is 96164121.

It is a happy number.

12146169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12146169 - 2¹⁷ = 12015097 is a prime.

It is a super-2 number, since 2×12146169² = 295058842753122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12146569) 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, 7012 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^12146169 is an apocalyptic number.

It is an amenable number.

12146169 is a deficient number, since it is larger than the sum of its proper divisors (7060551).

12146169 is a wasteful number, since it uses less digits than its factorization.

12146169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1622 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 12146169 is about 3485.1354349580. The cubic root of 12146169 is about 229.8686647794.

The spelling of 12146169 in words is "twelve million, one hundred forty-six thousand, one hundred sixty-nine".