1312098 has 16 divisors (see below), whose sum is σ = 2635680. Its totient is φ = 435456.

The previous prime is 1312093. The next prime is 1312133. The reversal of 1312098 is 8902131.

It is not an unprimeable number, because it can be changed into a prime (1312093) by changing a digit.

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, 1986 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (164730).

2^1312098 is an apocalyptic number.

1312098 is an abundant number, since it is smaller than the sum of its proper divisors (1323582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312098 is a wasteful number, since it uses less digits than its factorization.

1312098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1312098 is about 1145.4684631189. The cubic root of 1312098 is about 109.4767991545.

The spelling of 1312098 in words is "one million, three hundred twelve thousand, ninety-eight".