12997834 has 4 divisors (see below), whose sum is σ = 19496754. Its totient is φ = 6498916.

The previous prime is 12997801. The next prime is 12997847. The reversal of 12997834 is 43879921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 2088025 = 3303^2 + 1445^2 .

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, 3249457 + ... + 3249460.

Almost surely, 2^12997834 is an apocalyptic number.

12997834 is a deficient number, since it is larger than the sum of its proper divisors (6498920).

12997834 is an equidigital number, since it uses as much as digits as its factorization.

12997834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498919.

The product of its digits is 108864, while the sum is 43.

The square root of 12997834 is about 3605.2508927951. The cubic root of 12997834 is about 235.1204090956.

It can be divided in two parts, 12997 and 834, that added together give a palindrome (13831).

The spelling of 12997834 in words is "twelve million, nine hundred ninety-seven thousand, eight hundred thirty-four".