1312798 has 16 divisors (see below), whose sum is σ = 2039184. Its totient is φ = 633600.

The previous prime is 1312789. The next prime is 1312813. The reversal of 1312798 is 8972131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12948 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (127449).

2^1312798 is an apocalyptic number.

1312798 is a deficient number, since it is larger than the sum of its proper divisors (726386).

1312798 is a wasteful number, since it uses less digits than its factorization.

1312798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 3024, while the sum is 31.

The square root of 1312798 is about 1145.7739742200. The cubic root of 1312798 is about 109.4962641984.

It can be divided in two parts, 13127 and 98, that added together give a square (13225 = 115²).

The spelling of 1312798 in words is "one million, three hundred twelve thousand, seven hundred ninety-eight".