12161297 has 8 divisors (see below), whose sum is σ = 12724992. Its totient is φ = 11610400.

The previous prime is 12161293. The next prime is 12161321. The reversal of 12161297 is 79216121.

12161297 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 12161297 - 2² = 12161293 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12161291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (1590624).

Almost surely, 2^12161297 is an apocalyptic number.

It is an amenable number.

12161297 is a deficient number, since it is larger than the sum of its proper divisors (563695).

12161297 is an equidigital number, since it uses as much as digits as its factorization.

12161297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its digits is 1512, while the sum is 29.

The square root of 12161297 is about 3487.3051200031. The cubic root of 12161297 is about 229.9640586561.

The spelling of 12161297 in words is "twelve million, one hundred sixty-one thousand, two hundred ninety-seven".