12951634 has 16 divisors (see below), whose sum is σ = 19852056. Its totient is φ = 6336000.

The previous prime is 12951629. The next prime is 12951667. The reversal of 12951634 is 43615921.

It can be written as a sum of positive squares in 4 ways, for example, as 12938409 + 13225 = 3597^2 + 115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12951596 and 12951605.

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, 19264 + ... + 19924.

Almost surely, 2^12951634 is an apocalyptic number.

12951634 is a deficient number, since it is larger than the sum of its proper divisors (6900422).

12951634 is a wasteful number, since it uses less digits than its factorization.

12951634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 6480, while the sum is 31.

The square root of 12951634 is about 3598.8378679791. The cubic root of 12951634 is about 234.8415047162.

The spelling of 12951634 in words is "twelve million, nine hundred fifty-one thousand, six hundred thirty-four".