12930634 has 4 divisors (see below), whose sum is σ = 19395954. Its totient is φ = 6465316.

The previous prime is 12930581. The next prime is 12930647. The reversal of 12930634 is 43603921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43603921 = 47 ⋅927743.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 363609 = 3545^2 + 603^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232657 + ... + 3232660.

Almost surely, 2^12930634 is an apocalyptic number.

12930634 is a deficient number, since it is larger than the sum of its proper divisors (6465320).

12930634 is an equidigital number, since it uses as much as digits as its factorization.

12930634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465319.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 12930634 is about 3595.9190758414. The cubic root of 12930634 is about 234.7145107159.

The spelling of 12930634 in words is "twelve million, nine hundred thirty thousand, six hundred thirty-four".