12309098 has 4 divisors (see below), whose sum is σ = 18463650. Its totient is φ = 6154548.

The previous prime is 12309097. The next prime is 12309103. The reversal of 12309098 is 89090321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12229009 + 80089 = 3497^2 + 283^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12309097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077273 + ... + 3077276.

Almost surely, 2^12309098 is an apocalyptic number.

12309098 is a deficient number, since it is larger than the sum of its proper divisors (6154552).

12309098 is an equidigital number, since it uses as much as digits as its factorization.

12309098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154551.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12309098 is about 3508.4324134861. The cubic root of 12309098 is about 230.8919242316.

The spelling of 12309098 in words is "twelve million, three hundred nine thousand, ninety-eight".