12971634 has 16 divisors (see below), whose sum is σ = 27939072. Its totient is φ = 3991248.

The previous prime is 12971617. The next prime is 12971641. The reversal of 12971634 is 43617921.

It is a junction number, because it is equal to n+sod(n) for n = 12971595 and 12971604.

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, 83074 + ... + 83229.

It is an arithmetic number, because the mean of its divisors is an integer number (1746192).

Almost surely, 2^12971634 is an apocalyptic number.

12971634 is an abundant number, since it is smaller than the sum of its proper divisors (14967438).

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

12971634 is a wasteful number, since it uses less digits than its factorization.

12971634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166321.

The product of its digits is 9072, while the sum is 33.

The square root of 12971634 is about 3601.6154708686. The cubic root of 12971634 is about 234.9623238226.

The spelling of 12971634 in words is "twelve million, nine hundred seventy-one thousand, six hundred thirty-four".