12177108 has 48 divisors (see below), whose sum is σ = 31839360. Its totient is φ = 4024512.

The previous prime is 12177103. The next prime is 12177131. The reversal of 12177108 is 80177121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12177101) 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, 14385 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (663320).

Almost surely, 2^12177108 is an apocalyptic number.

12177108 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 12177108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15919680).

12177108 is an abundant number, since it is smaller than the sum of its proper divisors (19662252).

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

12177108 is a wasteful number, since it uses less digits than its factorization.

12177108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 12177108 is about 3489.5713203773. The cubic root of 12177108 is about 230.0636748717.

The spelling of 12177108 in words is "twelve million, one hundred seventy-seven thousand, one hundred eight".