11563340 has 12 divisors (see below), whose sum is σ = 24283056. Its totient is φ = 4625328.

The previous prime is 11563339. The next prime is 11563361. The reversal of 11563340 is 4336511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289064 + ... + 289103.

It is an arithmetic number, because the mean of its divisors is an integer number (2023588).

Almost surely, 2^11563340 is an apocalyptic number.

11563340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11563340 is an abundant number, since it is smaller than the sum of its proper divisors (12719716).

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

11563340 is a wasteful number, since it uses less digits than its factorization.

11563340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578176 (or 578174 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 11563340 is about 3400.4911409971. The cubic root of 11563340 is about 226.1315181973.

Adding to 11563340 its reverse (4336511), we get a palindrome (15899851).

The spelling of 11563340 in words is "eleven million, five hundred sixty-three thousand, three hundred forty".