11372240 has 40 divisors (see below), whose sum is σ = 28846368. Its totient is φ = 4135040.

The previous prime is 11372213. The next prime is 11372243. The reversal of 11372240 is 4227311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372243) 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 7 ways as a sum of consecutive naturals, for example, 5582 + ... + 7341.

Almost surely, 2^11372240 is an apocalyptic number.

11372240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11372240 is an abundant number, since it is smaller than the sum of its proper divisors (17474128).

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

11372240 is a wasteful number, since it uses less digits than its factorization.

11372240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947 (or 12941 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11372240 is about 3372.2751963622. The cubic root of 11372240 is about 224.8788813149.

Adding to 11372240 its reverse (4227311), we get a palindrome (15599551).

Subtracting from 11372240 its reverse (4227311), we obtain a square (7144929 = 2673²).

The spelling of 11372240 in words is "eleven million, three hundred seventy-two thousand, two hundred forty".