12098645 has 16 divisors (see below), whose sum is σ = 16556400. Its totient is φ = 8408064.

The previous prime is 12098641. The next prime is 12098683. The reversal of 12098645 is 54689021.

12098645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1800964 + 10297681 = 1342^2 + 3209^2 .

It is not a de Polignac number, because 12098645 - 2² = 12098641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (1034775).

Almost surely, 2^12098645 is an apocalyptic number.

It is an amenable number.

12098645 is a deficient number, since it is larger than the sum of its proper divisors (4457755).

12098645 is a wasteful number, since it uses less digits than its factorization.

12098645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12098645 is about 3478.3106531763. The cubic root of 12098645 is about 229.5684725353.

The spelling of 12098645 in words is "twelve million, ninety-eight thousand, six hundred forty-five".