11892945 has 16 divisors (see below), whose sum is σ = 20148480. Its totient is φ = 5969664.

The previous prime is 11892919. The next prime is 11892953. The reversal of 11892945 is 54929811.

It is not a de Polignac number, because 11892945 - 2¹⁴ = 11876561 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23065 + ... + 23574.

It is an arithmetic number, because the mean of its divisors is an integer number (1259280).

Almost surely, 2^11892945 is an apocalyptic number.

11892945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11892945 is a deficient number, since it is larger than the sum of its proper divisors (8255535).

11892945 is a wasteful number, since it uses less digits than its factorization.

11892945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46664.

The product of its digits is 25920, while the sum is 39.

The square root of 11892945 is about 3448.6149393633. The cubic root of 11892945 is about 228.2599950356.

The spelling of 11892945 in words is "eleven million, eight hundred ninety-two thousand, nine hundred forty-five".