11261633 has 4 divisors (see below), whose sum is σ = 11924100. Its totient is φ = 10599168.

The previous prime is 11261629. The next prime is 11261659. The reversal of 11261633 is 33616211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4870849 + 6390784 = 2207^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 11261633 - 2² = 11261629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11261599 and 11261608.

It is not an unprimeable number, because it can be changed into a prime (11261683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331208 + ... + 331241.

It is an arithmetic number, because the mean of its divisors is an integer number (2981025).

Almost surely, 2^11261633 is an apocalyptic number.

It is an amenable number.

11261633 is a deficient number, since it is larger than the sum of its proper divisors (662467).

11261633 is an equidigital number, since it uses as much as digits as its factorization.

11261633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662466.

The product of its digits is 648, while the sum is 23.

The square root of 11261633 is about 3355.8356634376. The cubic root of 11261633 is about 224.1474435838.

Adding to 11261633 its reverse (33616211), we get a palindrome (44877844).

The spelling of 11261633 in words is "eleven million, two hundred sixty-one thousand, six hundred thirty-three".