11212400 has 30 divisors (see below), whose sum is σ = 26938752. Its totient is φ = 4484800.

The previous prime is 11212363. The next prime is 11212427. The reversal of 11212400 is 421211.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 13616 + ... + 14415.

Almost surely, 2^11212400 is an apocalyptic number.

11212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212400 is an abundant number, since it is smaller than the sum of its proper divisors (15726352).

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

11212400 is a wasteful number, since it uses less digits than its factorization.

11212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28049 (or 28038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11212400 is about 3348.4921979900. The cubic root of 11212400 is about 223.8203278609.

Adding to 11212400 its reverse (421211), we get a palindrome (11633611).

The spelling of 11212400 in words is "eleven million, two hundred twelve thousand, four hundred".