12113897 has 2 divisors, whose sum is σ = 12113898. Its totient is φ = 12113896.

The previous prime is 12113891. The next prime is 12113923. The reversal of 12113897 is 79831121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9388096 + 2725801 = 3064^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113897 - 2⁶ = 12113833 is a prime.

It is a super-3 number, since 3×12113897³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12113891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056948 + 6056949.

It is an arithmetic number, because the mean of its divisors is an integer number (6056949).

Almost surely, 2^12113897 is an apocalyptic number.

It is an amenable number.

12113897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113897 is an equidigital number, since it uses as much as digits as its factorization.

12113897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 12113897 is about 3480.5024062626. The cubic root of 12113897 is about 229.6648995332.

The spelling of 12113897 in words is "twelve million, one hundred thirteen thousand, eight hundred ninety-seven".