11290945 has 8 divisors (see below), whose sum is σ = 13575744. Its totient is φ = 9015024.

The previous prime is 11290943. The next prime is 11290967. The reversal of 11290945 is 54909211.

11290945 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 11290945 - 2¹ = 11290943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11290943) 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, 1012 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (1696968).

Almost surely, 2^11290945 is an apocalyptic number.

It is an amenable number.

11290945 is a deficient number, since it is larger than the sum of its proper divisors (2284799).

11290945 is an equidigital number, since it uses as much as digits as its factorization.

11290945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 11290945 is about 3360.2001428486. The cubic root of 11290945 is about 224.3417468948.

The spelling of 11290945 in words is "eleven million, two hundred ninety thousand, nine hundred forty-five".