12749846 has 4 divisors (see below), whose sum is σ = 19124772. Its totient is φ = 6374922.

The previous prime is 12749827. The next prime is 12749851. The reversal of 12749846 is 64894721.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187460 + ... + 3187463.

It is an arithmetic number, because the mean of its divisors is an integer number (4781193).

Almost surely, 2^12749846 is an apocalyptic number.

12749846 is a deficient number, since it is larger than the sum of its proper divisors (6374926).

12749846 is an equidigital number, since it uses as much as digits as its factorization.

12749846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374925.

The product of its digits is 96768, while the sum is 41.

The square root of 12749846 is about 3570.6926498930. The cubic root of 12749846 is about 233.6154958406.

The spelling of 12749846 in words is "twelve million, seven hundred forty-nine thousand, eight hundred forty-six".