11640733 has 8 divisors (see below), whose sum is σ = 13273848. Its totient is φ = 10113024.

The previous prime is 11640731. The next prime is 11640763. The reversal of 11640733 is 33704611.

It can be written as a sum of positive squares in 4 ways, for example, as 1026169 + 10614564 = 1013^2 + 3258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11640733 - 2¹ = 11640731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11640698 and 11640707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26116 + ... + 26557.

It is an arithmetic number, because the mean of its divisors is an integer number (1659231).

Almost surely, 2^11640733 is an apocalyptic number.

11640733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11640733 is a deficient number, since it is larger than the sum of its proper divisors (1633115).

11640733 is a wasteful number, since it uses less digits than its factorization.

11640733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52703.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 11640733 is about 3411.8518432077. The cubic root of 11640733 is about 226.6348934222.

The spelling of 11640733 in words is "eleven million, six hundred forty thousand, seven hundred thirty-three".