11187340 has 12 divisors (see below), whose sum is σ = 23493456. Its totient is φ = 4474928.

The previous prime is 11187331. The next prime is 11187347. The reversal of 11187340 is 4378111.

It is not an unprimeable number, because it can be changed into a prime (11187347) 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 3 ways as a sum of consecutive naturals, for example, 279664 + ... + 279703.

It is an arithmetic number, because the mean of its divisors is an integer number (1957788).

Almost surely, 2^11187340 is an apocalyptic number.

11187340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11187340 is an abundant number, since it is smaller than the sum of its proper divisors (12306116).

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

11187340 is a wasteful number, since it uses less digits than its factorization.

11187340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559376 (or 559374 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11187340 is about 3344.7481220564. The cubic root of 11187340 is about 223.6534554304.

The spelling of 11187340 in words is "eleven million, one hundred eighty-seven thousand, three hundred forty".