12146449 has 8 divisors (see below), whose sum is σ = 14698368. Its totient is φ = 9798720.

The previous prime is 12146441. The next prime is 12146473. The reversal of 12146449 is 94464121.

12146449 is digitally balanced in base 2, because in such base 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 12146449 - 2³ = 12146441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12146449.

It is not an unprimeable number, because it can be changed into a prime (12146441) 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, 50917 + ... + 51154.

It is an arithmetic number, because the mean of its divisors is an integer number (1837296).

Almost surely, 2^12146449 is an apocalyptic number.

It is an amenable number.

12146449 is a deficient number, since it is larger than the sum of its proper divisors (2551919).

12146449 is a wasteful number, since it uses less digits than its factorization.

12146449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102095.

The product of its digits is 6912, while the sum is 31.

The square root of 12146449 is about 3485.1756053318. The cubic root of 12146449 is about 229.8704311178.

The spelling of 12146449 in words is "twelve million, one hundred forty-six thousand, four hundred forty-nine".