12113997 has 16 divisors (see below), whose sum is σ = 18577920. Its totient is φ = 6877872.

The previous prime is 12113993. The next prime is 12114007. The reversal of 12113997 is 79931121.

12113997 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12113997 - 2² = 12113993 is a prime.

It is a super-3 number, since 3×12113997³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113993) 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, 1654 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (1161120).

Almost surely, 2^12113997 is an apocalyptic number.

It is an amenable number.

12113997 is a deficient number, since it is larger than the sum of its proper divisors (6463923).

12113997 is a wasteful number, since it uses less digits than its factorization.

12113997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its digits is 3402, while the sum is 33.

The square root of 12113997 is about 3480.5167719751. The cubic root of 12113997 is about 229.6655314914.

The spelling of 12113997 in words is "twelve million, one hundred thirteen thousand, nine hundred ninety-seven".