12146969 has 4 divisors (see below), whose sum is σ = 12565860. Its totient is φ = 11728080.

The previous prime is 12146963. The next prime is 12146971. The reversal of 12146969 is 96964121.

12146969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96964121 = 179 ⋅541699.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 8479744 = 1915^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 12146969 - 2²⁰ = 11098393 is a prime.

It is a super-3 number, since 3×12146969³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209402 + ... + 209459.

It is an arithmetic number, because the mean of its divisors is an integer number (3141465).

Almost surely, 2^12146969 is an apocalyptic number.

It is an amenable number.

12146969 is a deficient number, since it is larger than the sum of its proper divisors (418891).

12146969 is an equidigital number, since it uses as much as digits as its factorization.

12146969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418890.

The product of its digits is 23328, while the sum is 38.

The square root of 12146969 is about 3485.2502062262. The cubic root of 12146969 is about 229.8737113884.

The spelling of 12146969 in words is "twelve million, one hundred forty-six thousand, nine hundred sixty-nine".