11681283 has 8 divisors (see below), whose sum is σ = 15591168. Its totient is φ = 7779464.

The previous prime is 11681273. The next prime is 11681291. The reversal of 11681283 is 38218611.

11681283 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11681283 - 2⁹ = 11680771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11681283.

It is not an unprimeable number, because it can be changed into a prime (11681213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3610 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (1948896).

Almost surely, 2^11681283 is an apocalyptic number.

11681283 is a deficient number, since it is larger than the sum of its proper divisors (3909885).

11681283 is a wasteful number, since it uses less digits than its factorization.

11681283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its digits is 2304, while the sum is 30.

The square root of 11681283 is about 3417.7891977125. The cubic root of 11681283 is about 226.8977461276.

Adding to 11681283 its reverse (38218611), we get a palindrome (49899894).

It can be divided in two parts, 1168128 and 3, that multiplied together give a square (3504384 = 1872²).

The spelling of 11681283 in words is "eleven million, six hundred eighty-one thousand, two hundred eighty-three".