12147346 has 32 divisors (see below), whose sum is σ = 20246400. Its totient is φ = 5443200.

The previous prime is 12147341. The next prime is 12147353. The reversal of 12147346 is 64374121.

12147346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12147341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80371 + ... + 80521.

It is an arithmetic number, because the mean of its divisors is an integer number (632700).

Almost surely, 2^12147346 is an apocalyptic number.

12147346 is a deficient number, since it is larger than the sum of its proper divisors (8099054).

12147346 is a wasteful number, since it uses less digits than its factorization.

12147346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its digits is 4032, while the sum is 28.

The square root of 12147346 is about 3485.3042908762. The cubic root of 12147346 is about 229.8760895260.

The spelling of 12147346 in words is "twelve million, one hundred forty-seven thousand, three hundred forty-six".