11213450 has 24 divisors (see below), whose sum is σ = 21022092. Its totient is φ = 4449920.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213450 is 5431211.

It can be written as a sum of positive squares in 6 ways, for example, as 1560001 + 9653449 = 1249^2 + 3107^2 .

It is not an unprimeable number, because it can be changed into a prime (11213453) 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, 6032 + ... + 7668.

Almost surely, 2^11213450 is an apocalyptic number.

11213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213450 is a deficient number, since it is larger than the sum of its proper divisors (9808642).

11213450 is a wasteful number, since it uses less digits than its factorization.

11213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11213450 is about 3348.6489813057. The cubic root of 11213450 is about 223.8273142928.

Adding to 11213450 its reverse (5431211), we get a palindrome (16644661).

The spelling of 11213450 in words is "eleven million, two hundred thirteen thousand, four hundred fifty".