12097908 has 72 divisors (see below), whose sum is σ = 33633600. Its totient is φ = 3649536.

The previous prime is 12097879. The next prime is 12097909. The reversal of 12097908 is 80979021.

It is a happy number.

12097908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15348 + ... + 16116.

Almost surely, 2^12097908 is an apocalyptic number.

12097908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12097908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16816800).

12097908 is an abundant number, since it is smaller than the sum of its proper divisors (21535692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12097908 is a wasteful number, since it uses less digits than its factorization.

12097908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 12097908 is about 3478.2047093292. The cubic root of 12097908 is about 229.5638109830.

The spelling of 12097908 in words is "twelve million, ninety-seven thousand, nine hundred eight".