11303645 has 4 divisors (see below), whose sum is σ = 13564380. Its totient is φ = 9042912.

The previous prime is 11303639. The next prime is 11303683. The reversal of 11303645 is 54630311.

It is a happy number.

11303645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6205081 + 5098564 = 2491^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303645 - 2¹² = 11299549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11303645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130360 + ... + 1130369.

It is an arithmetic number, because the mean of its divisors is an integer number (3391095).

Almost surely, 2^11303645 is an apocalyptic number.

It is an amenable number.

11303645 is a deficient number, since it is larger than the sum of its proper divisors (2260735).

11303645 is an equidigital number, since it uses as much as digits as its factorization.

11303645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260734.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 11303645 is about 3362.0893801325. The cubic root of 11303645 is about 224.4258282130.

Adding to 11303645 its reverse (54630311), we get a palindrome (65933956).

The spelling of 11303645 in words is "eleven million, three hundred three thousand, six hundred forty-five".