10969945 has 32 divisors (see below), whose sum is σ = 15890688. Its totient is φ = 7112448.

The previous prime is 10969943. The next prime is 10969951. The reversal of 10969945 is 54996901.

It is not a de Polignac number, because 10969945 - 2¹ = 10969943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10969943) 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 31 ways as a sum of consecutive naturals, for example, 55587 + ... + 55783.

It is an arithmetic number, because the mean of its divisors is an integer number (496584).

Almost surely, 2^10969945 is an apocalyptic number.

It is an amenable number.

10969945 is a deficient number, since it is larger than the sum of its proper divisors (4920743).

10969945 is a wasteful number, since it uses less digits than its factorization.

10969945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 10969945 is about 3312.0907294336. The cubic root of 10969945 is about 222.1952736303.

The spelling of 10969945 in words is "ten million, nine hundred sixty-nine thousand, nine hundred forty-five".