1311098 has 16 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 626400.

The previous prime is 1311097. The next prime is 1311103. The reversal of 1311098 is 8901131.

It is not an unprimeable number, because it can be changed into a prime (1311097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^1311098 is an apocalyptic number.

1311098 is a deficient number, since it is larger than the sum of its proper divisors (745222).

1311098 is a wasteful number, since it uses less digits than its factorization.

1311098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1311098 is about 1145.0318772855. The cubic root of 1311098 is about 109.4489799360.

It can be divided in two parts, 13 and 11098, that added together give a palindrome (11111).

The spelling of 1311098 in words is "one million, three hundred eleven thousand, ninety-eight".