1288246 has 4 divisors (see below), whose sum is σ = 1932372. Its totient is φ = 644122.

The previous prime is 1288213. The next prime is 1288247. The reversal of 1288246 is 6428821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322060 + ... + 322063.

It is an arithmetic number, because the mean of its divisors is an integer number (483093).

2^1288246 is an apocalyptic number.

1288246 is a deficient number, since it is larger than the sum of its proper divisors (644126).

1288246 is an equidigital number, since it uses as much as digits as its factorization.

1288246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644125.

The product of its digits is 6144, while the sum is 31.

The square root of 1288246 is about 1135.0092510636. The cubic root of 1288246 is about 108.8093629305.

The spelling of 1288246 in words is "one million, two hundred eighty-eight thousand, two hundred forty-six".