12801746 has 4 divisors (see below), whose sum is σ = 19202622. Its totient is φ = 6400872.

The previous prime is 12801703. The next prime is 12801751. The reversal of 12801746 is 64710821.

12801746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 7349521 + 5452225 = 2711^2 + 2335^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200435 + ... + 3200438.

Almost surely, 2^12801746 is an apocalyptic number.

12801746 is a deficient number, since it is larger than the sum of its proper divisors (6400876).

12801746 is an equidigital number, since it uses as much as digits as its factorization.

12801746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400875.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12801746 is about 3577.9527665971. The cubic root of 12801746 is about 233.9320546880.

The spelling of 12801746 in words is "twelve million, eight hundred one thousand, seven hundred forty-six".