11633140 has 12 divisors (see below), whose sum is σ = 24429636. Its totient is φ = 4653248.

The previous prime is 11633107. The next prime is 11633159. The reversal of 11633140 is 4133611.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 8225424 = 1846^2 + 2868^2 .

It is a congruent number.

It is an unprimeable number.

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, 290809 + ... + 290848.

It is an arithmetic number, because the mean of its divisors is an integer number (2035803).

Almost surely, 2^11633140 is an apocalyptic number.

11633140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11633140 is an abundant number, since it is smaller than the sum of its proper divisors (12796496).

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

11633140 is a wasteful number, since it uses less digits than its factorization.

11633140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581666 (or 581664 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 11633140 is about 3410.7389228729. The cubic root of 11633140 is about 226.5856063473.

Adding to 11633140 its reverse (4133611), we get a palindrome (15766751).

The spelling of 11633140 in words is "eleven million, six hundred thirty-three thousand, one hundred forty".