12311098 has 4 divisors (see below), whose sum is σ = 18466650. Its totient is φ = 6155548.

The previous prime is 12311093. The next prime is 12311113. The reversal of 12311098 is 89011321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89011321 = 7 ⋅12715903.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 635209 = 3417^2 + 797^2 .

It is not an unprimeable number, because it can be changed into a prime (12311093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077773 + ... + 3077776.

Almost surely, 2^12311098 is an apocalyptic number.

12311098 is a deficient number, since it is larger than the sum of its proper divisors (6155552).

12311098 is an equidigital number, since it uses as much as digits as its factorization.

12311098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155551.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 12311098 is about 3508.7174294890. The cubic root of 12311098 is about 230.9044287720.

The spelling of 12311098 in words is "twelve million, three hundred eleven thousand, ninety-eight".