12146659 has 10 divisors (see below), whose sum is σ = 14173060. Its totient is φ = 10409364.

The previous prime is 12146647. The next prime is 12146669. The reversal of 12146659 is 95664121.

12146659 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 12146659 - 2⁵ = 12146627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146639) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (1417306).

Almost surely, 2^12146659 is an apocalyptic number.

12146659 is a deficient number, since it is larger than the sum of its proper divisors (2026401).

12146659 is an frugal number, since it uses more digits than its factorization.

12146659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5066 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 12146659 is about 3485.2057328083. The cubic root of 12146659 is about 229.8717558537.

The spelling of 12146659 in words is "twelve million, one hundred forty-six thousand, six hundred fifty-nine".