11733140 has 24 divisors (see below), whose sum is σ = 25106760. Its totient is φ = 4604288.

The previous prime is 11733119. The next prime is 11733143. The reversal of 11733140 is 4133711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 456976 + 11276164 = 676^2 + 3358^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11733143) 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, 4475 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (1046115).

Almost surely, 2^11733140 is an apocalyptic number.

11733140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11733140 is an abundant number, since it is smaller than the sum of its proper divisors (13373620).

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

11733140 is a wasteful number, since it uses less digits than its factorization.

11733140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131 (or 11129 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 11733140 is about 3425.3671336077. The cubic root of 11733140 is about 227.2330080407.

Adding to 11733140 its reverse (4133711), we get a palindrome (15866851).

The spelling of 11733140 in words is "eleven million, seven hundred thirty-three thousand, one hundred forty".