10203912 has 48 divisors (see below), whose sum is σ = 29094000. Its totient is φ = 3221856.

The previous prime is 10203889. The next prime is 10203979. The reversal of 10203912 is 21930201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2362 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (606125).

Almost surely, 2^10203912 is an apocalyptic number.

10203912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10203912 is an abundant number, since it is smaller than the sum of its proper divisors (18890088).

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

10203912 is a wasteful number, since it uses less digits than its factorization.

10203912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490 (or 7483 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10203912 is about 3194.3562731793. The cubic root of 10203912 is about 216.8980103593.

The spelling of 10203912 in words is "ten million, two hundred three thousand, nine hundred twelve".