118397412 has 72 divisors (see below), whose sum is σ = 345945600. Its totient is φ = 33441408.

The previous prime is 118397387. The next prime is 118397423. The reversal of 118397412 is 214793811.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19789 + ... + 25067.

It is an arithmetic number, because the mean of its divisors is an integer number (4804800).

Almost surely, 2^118397412 is an apocalyptic number.

118397412 is a gapful number since it is divisible by the number (12) 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 118397412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172972800).

118397412 is an abundant number, since it is smaller than the sum of its proper divisors (227548188).

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

118397412 is a wasteful number, since it uses less digits than its factorization.

118397412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385 (or 5380 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 118397412 is about 10881.0574853734. The cubic root of 118397412 is about 491.0368327127.

The spelling of 118397412 in words is "one hundred eighteen million, three hundred ninety-seven thousand, four hundred twelve".