103939712 has 32 divisors (see below), whose sum is σ = 214215300. Its totient is φ = 50176000.

The previous prime is 103939711. The next prime is 103939727. The reversal of 103939712 is 217939301.

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 1201216 = 10136^2 + 1096^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (103939711) 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 3 ways as a sum of consecutive naturals, for example, 10289 + ... + 17712.

Almost surely, 2^103939712 is an apocalyptic number.

It is an amenable number.

103939712 is an abundant number, since it is smaller than the sum of its proper divisors (110275588).

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

103939712 is an equidigital number, since it uses as much as digits as its factorization.

103939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28044 (or 28032 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 103939712 is about 10195.0827362999. The cubic root of 103939712 is about 470.1760499375.

The spelling of 103939712 in words is "one hundred three million, nine hundred thirty-nine thousand, seven hundred twelve".