12307146 has 8 divisors (see below), whose sum is σ = 24614304. Its totient is φ = 4102380.

The previous prime is 12307109. The next prime is 12307171. The reversal of 12307146 is 64170321.

It is a sphenic number, since it is the product of 3 distinct primes.

12307146 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025590 + ... + 1025601.

It is an arithmetic number, because the mean of its divisors is an integer number (3076788).

Almost surely, 2^12307146 is an apocalyptic number.

12307146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12307146 is a wasteful number, since it uses less digits than its factorization.

12307146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051196.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12307146 is about 3508.1542155384. The cubic root of 12307146 is about 230.8797184939.

Adding to 12307146 its reverse (64170321), we get a palindrome (76477467).

The spelling of 12307146 in words is "twelve million, three hundred seven thousand, one hundred forty-six".