11681733 has 8 divisors (see below), whose sum is σ = 17800768. Its totient is φ = 6675264.

The previous prime is 11681731. The next prime is 11681741. The reversal of 11681733 is 33718611.

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

It is not a de Polignac number, because 11681733 - 2¹ = 11681731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11681733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681731) 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, 278116 + ... + 278157.

It is an arithmetic number, because the mean of its divisors is an integer number (2225096).

Almost surely, 2^11681733 is an apocalyptic number.

It is an amenable number.

11681733 is a deficient number, since it is larger than the sum of its proper divisors (6119035).

11681733 is an equidigital number, since it uses as much as digits as its factorization.

11681733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556283.

The product of its digits is 3024, while the sum is 30.

The square root of 11681733 is about 3417.8550291082. The cubic root of 11681733 is about 226.9006596967.

The spelling of 11681733 in words is "eleven million, six hundred eighty-one thousand, seven hundred thirty-three".