10403216 has 20 divisors (see below), whose sum is σ = 20702172. Its totient is φ = 5060736.

The previous prime is 10403213. The next prime is 10403219. The reversal of 10403216 is 61230401.

It is an interprime number because it is at equal distance from previous prime (10403213) and next prime (10403219).

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 2016400 = 2896^2 + 1420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10403194 and 10403203.

It is not an unprimeable number, because it can be changed into a prime (10403213) 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, 8195 + ... + 9378.

Almost surely, 2^10403216 is an apocalyptic number.

10403216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10403216 is a deficient number, since it is larger than the sum of its proper divisors (10298956).

10403216 is a wasteful number, since it uses less digits than its factorization.

10403216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618 (or 17612 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10403216 is about 3225.4016804113. The cubic root of 10403216 is about 218.3010737775.

Adding to 10403216 its reverse (61230401), we get a palindrome (71633617).

The spelling of 10403216 in words is "ten million, four hundred three thousand, two hundred sixteen".