11213430 has 32 divisors (see below), whose sum is σ = 27842400. Its totient is φ = 2886912.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213430 is 3431211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5575 + ... + 7314.

It is an arithmetic number, because the mean of its divisors is an integer number (870075).

Almost surely, 2^11213430 is an apocalyptic number.

11213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213430 is an abundant number, since it is smaller than the sum of its proper divisors (16628970).

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

11213430 is a wasteful number, since it uses less digits than its factorization.

11213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12928.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11213430 is about 3348.6459950255. The cubic root of 11213430 is about 223.8271812220.

Adding to 11213430 its reverse (3431211), we get a palindrome (14644641).

The spelling of 11213430 in words is "eleven million, two hundred thirteen thousand, four hundred thirty".