13212300 has 36 divisors (see below), whose sum is σ = 38228456. Its totient is φ = 3523200.

The previous prime is 13212289. The next prime is 13212307. The reversal of 13212300 is 321231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (13212307) by changing a digit.

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, 21721 + ... + 22320.

Almost surely, 2^13212300 is an apocalyptic number.

13212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212300 is an abundant number, since it is smaller than the sum of its proper divisors (25016156).

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

13212300 is a wasteful number, since it uses less digits than its factorization.

13212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44058 (or 44051 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13212300 is about 3634.8727625599. The cubic root of 13212300 is about 236.4065338135.

Adding to 13212300 its reverse (321231), we get a palindrome (13533531).

The spelling of 13212300 in words is "thirteen million, two hundred twelve thousand, three hundred".