13210112 has 20 divisors (see below), whose sum is σ = 26395446. Its totient is φ = 6604800.

The previous prime is 13210103. The next prime is 13210117. The reversal of 13210112 is 21101231.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 2027776 = 3344^2 + 1424^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13210093 and 13210102.

It is not an unprimeable number, because it can be changed into a prime (13210117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12389 + ... + 13412.

Almost surely, 2^13210112 is an apocalyptic number.

It is an amenable number.

13210112 is a deficient number, since it is larger than the sum of its proper divisors (13185334).

13210112 is an frugal number, since it uses more digits than its factorization.

13210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819 (or 25803 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13210112 is about 3634.5717767022. The cubic root of 13210112 is about 236.3934831952.

Adding to 13210112 its reverse (21101231), we get a palindrome (34311343).

The spelling of 13210112 in words is "thirteen million, two hundred ten thousand, one hundred twelve".