11213250 has 32 divisors (see below), whose sum is σ = 27990144. Its totient is φ = 2990000.

The previous prime is 11213233. The next prime is 11213281. The reversal of 11213250 is 5231211.

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

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 6726 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (874692).

Almost surely, 2^11213250 is an apocalyptic number.

11213250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213250 is an abundant number, since it is smaller than the sum of its proper divisors (16776894).

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

11213250 is a wasteful number, since it uses less digits than its factorization.

11213250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14971 (or 14961 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11213250 is about 3348.6191183830. The cubic root of 11213250 is about 223.8259835775.

Adding to 11213250 its reverse (5231211), we get a palindrome (16444461).

It can be divided in two parts, 1121 and 3250, that added together give a triangular number (4371 = T₉₃).

The spelling of 11213250 in words is "eleven million, two hundred thirteen thousand, two hundred fifty".