11213240 has 32 divisors (see below), whose sum is σ = 25375680. Its totient is φ = 4459392.

The previous prime is 11213233. The next prime is 11213281. The reversal of 11213240 is 4231211.

11213240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7169 + ... + 8591.

It is an arithmetic number, because the mean of its divisors is an integer number (792990).

Almost surely, 2^11213240 is an apocalyptic number.

11213240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213240 is an abundant number, since it is smaller than the sum of its proper divisors (14162440).

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

11213240 is a wasteful number, since it uses less digits than its factorization.

11213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11213240 is about 3348.6176252298. The cubic root of 11213240 is about 223.8259170413.

Adding to 11213240 its reverse (4231211), we get a palindrome (15444451).

The spelling of 11213240 in words is "eleven million, two hundred thirteen thousand, two hundred forty".