1298356 has 6 divisors (see below), whose sum is σ = 2272130. Its totient is φ = 649176.

The previous prime is 1298351. The next prime is 1298357. The reversal of 1298356 is 6538921.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 52900 = 1116^2 + 230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162291 + ... + 162298.

2^1298356 is an apocalyptic number.

It is an amenable number.

1298356 is a deficient number, since it is larger than the sum of its proper divisors (973774).

1298356 is a wasteful number, since it uses less digits than its factorization.

1298356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324593 (or 324591 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 1298356 is about 1139.4542553345. The cubic root of 1298356 is about 109.0932624913.

The spelling of 1298356 in words is "one million, two hundred ninety-eight thousand, three hundred fifty-six".