108815412 has 24 divisors (see below), whose sum is σ = 255844512. Its totient is φ = 35994400.

The previous prime is 108815393. The next prime is 108815417. The reversal of 108815412 is 214518801.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 108815412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108815417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33039 + ... + 36182.

It is an arithmetic number, because the mean of its divisors is an integer number (10660188).

Almost surely, 2^108815412 is an apocalyptic number.

108815412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108815412 is an abundant number, since it is smaller than the sum of its proper divisors (147029100).

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

108815412 is a wasteful number, since it uses less digits than its factorization.

108815412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69359 (or 69357 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 108815412 is about 10431.4626011888. The cubic root of 108815412 is about 477.4158173279.

The spelling of 108815412 in words is "one hundred eight million, eight hundred fifteen thousand, four hundred twelve".