11045947 has 8 divisors (see below), whose sum is σ = 12098160. Its totient is φ = 10001760.

The previous prime is 11045939. The next prime is 11045953. The reversal of 11045947 is 74954011.

11045947 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 11045947 - 2³ = 11045939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045917) 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, 1093 + ... + 4825.

It is an arithmetic number, because the mean of its divisors is an integer number (1512270).

Almost surely, 2^11045947 is an apocalyptic number.

11045947 is a deficient number, since it is larger than the sum of its proper divisors (1052213).

11045947 is a wasteful number, since it uses less digits than its factorization.

11045947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11045947 is about 3323.5443430170. The cubic root of 11045947 is about 222.7072310769.

Adding to 11045947 its reverse (74954011), we get a palindrome (85999958).

It can be divided in two parts, 1104594 and 7, that added together give a square (1104601 = 1051²).

The spelling of 11045947 in words is "eleven million, forty-five thousand, nine hundred forty-seven".