103638012 has 24 divisors (see below), whose sum is σ = 245433216. Its totient is φ = 34030128.

The previous prime is 103638011. The next prime is 103638013. The reversal of 103638012 is 210836301.

It is an interprime number because it is at equal distance from previous prime (103638011) and next prime (103638013).

It is a super-3 number, since 3×103638012³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103638011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63648 + ... + 65255.

It is an arithmetic number, because the mean of its divisors is an integer number (10226384).

Almost surely, 2^103638012 is an apocalyptic number.

103638012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103638012 is an abundant number, since it is smaller than the sum of its proper divisors (141795204).

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

103638012 is a wasteful number, since it uses less digits than its factorization.

103638012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128977 (or 128975 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 103638012 is about 10180.2756347753. The cubic root of 103638012 is about 469.7206911466.

The spelling of 103638012 in words is "one hundred three million, six hundred thirty-eight thousand, twelve".