12146047 has 8 divisors (see below), whose sum is σ = 12718080. Its totient is φ = 11577720.

The previous prime is 12146039. The next prime is 12146051. The reversal of 12146047 is 74064121.

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 12146047 - 2³ = 12146039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146087) 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, 7522 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (1589760).

Almost surely, 2^12146047 is an apocalyptic number.

12146047 is a deficient number, since it is larger than the sum of its proper divisors (572033).

12146047 is a wasteful number, since it uses less digits than its factorization.

12146047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12146047 is about 3485.1179320075. The cubic root of 12146047 is about 229.8678951521.

The spelling of 12146047 in words is "twelve million, one hundred forty-six thousand, forty-seven".