12405098 has 8 divisors (see below), whose sum is σ = 19249380. Its totient is φ = 5988640.

The previous prime is 12405091. The next prime is 12405137. The reversal of 12405098 is 89050421.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 797449 = 3407^2 + 893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 12405098.

It is not an unprimeable number, because it can be changed into a prime (12405091) 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 in 3 ways as a sum of consecutive naturals, for example, 106883 + ... + 106998.

Almost surely, 2^12405098 is an apocalyptic number.

12405098 is a deficient number, since it is larger than the sum of its proper divisors (6844282).

12405098 is a wasteful number, since it uses less digits than its factorization.

12405098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213912.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12405098 is about 3522.0871653041. The cubic root of 12405098 is about 231.4906209319.

The spelling of 12405098 in words is "twelve million, four hundred five thousand, ninety-eight".