11333640 has 32 divisors (see below), whose sum is σ = 34001280. Its totient is φ = 3022272.

The previous prime is 11333629. The next prime is 11333669. The reversal of 11333640 is 4633311.

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, 47104 + ... + 47343.

It is an arithmetic number, because the mean of its divisors is an integer number (1062540).

Almost surely, 2^11333640 is an apocalyptic number.

11333640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11333640 is an abundant number, since it is smaller than the sum of its proper divisors (22667640).

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

11333640 is a wasteful number, since it uses less digits than its factorization.

11333640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94461 (or 94457 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 11333640 is about 3366.5471925996. The cubic root of 11333640 is about 224.6241626788.

Adding to 11333640 its reverse (4633311), we get a palindrome (15966951).

The spelling of 11333640 in words is "eleven million, three hundred thirty-three thousand, six hundred forty".