11378220 has 48 divisors (see below), whose sum is σ = 36411648. Its totient is φ = 2600640.

The previous prime is 11378201. The next prime is 11378231. The reversal of 11378220 is 2287311.

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, 13126 + ... + 13965.

It is an arithmetic number, because the mean of its divisors is an integer number (758576).

Almost surely, 2^11378220 is an apocalyptic number.

11378220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11378220 is an abundant number, since it is smaller than the sum of its proper divisors (25033428).

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

11378220 is a wasteful number, since it uses less digits than its factorization.

11378220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27110 (or 27108 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11378220 is about 3373.1617215900. The cubic root of 11378220 is about 224.9182913188.

Subtracting from 11378220 its reverse (2287311), we obtain a palindrome (9090909).

The spelling of 11378220 in words is "eleven million, three hundred seventy-eight thousand, two hundred twenty".