100013232 has 80 divisors (see below), whose sum is σ = 283231872. Its totient is φ = 30159360.

The previous prime is 100013213. The next prime is 100013237. The reversal of 100013232 is 232310001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100013237) 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 15 ways as a sum of consecutive naturals, for example, 161788 + ... + 162404.

Almost surely, 2^100013232 is an apocalyptic number.

100013232 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 100013232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141615936).

100013232 is an abundant number, since it is smaller than the sum of its proper divisors (183218640).

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

100013232 is a wasteful number, since it uses less digits than its factorization.

100013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100013232 is about 10000.6615781157. The cubic root of 100013232 is about 464.1793549595.

Adding to 100013232 its reverse (232310001), we get a palindrome (332323233).

The spelling of 100013232 in words is "one hundred million, thirteen thousand, two hundred thirty-two".