12097641 has 4 divisors (see below), whose sum is σ = 16130192. Its totient is φ = 8065092.

The previous prime is 12097637. The next prime is 12097643. The reversal of 12097641 is 14679021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12097641 - 2² = 12097637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12097599 and 12097608.

It is not an unprimeable number, because it can be changed into a prime (12097643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016271 + ... + 2016276.

It is an arithmetic number, because the mean of its divisors is an integer number (4032548).

Almost surely, 2^12097641 is an apocalyptic number.

It is an amenable number.

12097641 is a deficient number, since it is larger than the sum of its proper divisors (4032551).

12097641 is an equidigital number, since it uses as much as digits as its factorization.

12097641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032550.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12097641 is about 3478.1663272477. The cubic root of 12097641 is about 229.5621221514.

The spelling of 12097641 in words is "twelve million, ninety-seven thousand, six hundred forty-one".