12400698 has 32 divisors (see below), whose sum is σ = 25816896. Its totient is φ = 3967488.

The previous prime is 12400697. The next prime is 12400699. The reversal of 12400698 is 89600421.

It is an interprime number because it is at equal distance from previous prime (12400697) and next prime (12400699).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12400691) 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 15 ways as a sum of consecutive naturals, for example, 18090 + ... + 18762.

It is an arithmetic number, because the mean of its divisors is an integer number (806778).

Almost surely, 2^12400698 is an apocalyptic number.

12400698 is an abundant number, since it is smaller than the sum of its proper divisors (13416198).

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

12400698 is a wasteful number, since it uses less digits than its factorization.

12400698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12400698 is about 3521.4624802772. The cubic root of 12400698 is about 231.4632483366.

The spelling of 12400698 in words is "twelve million, four hundred thousand, six hundred ninety-eight".