12643074 has 16 divisors (see below), whose sum is σ = 28095840. Its totient is φ = 4214340.

The previous prime is 12643049. The next prime is 12643109. The reversal of 12643074 is 47034621.

12643074 is a `hidden beast` number, since 12 + 643 + 0 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117012 + ... + 117119.

It is an arithmetic number, because the mean of its divisors is an integer number (1755990).

Almost surely, 2^12643074 is an apocalyptic number.

12643074 is an abundant number, since it is smaller than the sum of its proper divisors (15452766).

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

12643074 is a wasteful number, since it uses less digits than its factorization.

12643074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234142 (or 234136 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 12643074 is about 3555.7100556710. The cubic root of 12643074 is about 232.9615389616.

Adding to 12643074 its reverse (47034621), we get a palindrome (59677695).

The spelling of 12643074 in words is "twelve million, six hundred forty-three thousand, seventy-four".