11837945 has 32 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 7693056.

The previous prime is 11837941. The next prime is 11837963. The reversal of 11837945 is 54973811.

It is not a de Polignac number, because 11837945 - 2² = 11837941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11837899 and 11837908.

It is not an unprimeable number, because it can be changed into a prime (11837941) 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, 108551 + ... + 108659.

It is an arithmetic number, because the mean of its divisors is an integer number (534600).

Almost surely, 2^11837945 is an apocalyptic number.

It is an amenable number.

11837945 is a deficient number, since it is larger than the sum of its proper divisors (5269255).

11837945 is a wasteful number, since it uses less digits than its factorization.

11837945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its digits is 30240, while the sum is 38.

The square root of 11837945 is about 3440.6314827369. The cubic root of 11837945 is about 227.9075815548.

The spelling of 11837945 in words is "eleven million, eight hundred thirty-seven thousand, nine hundred forty-five".