11436945 has 32 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 5558784.

The previous prime is 11436913. The next prime is 11436961. The reversal of 11436945 is 54963411.

It is not a de Polignac number, because 11436945 - 2⁵ = 11436913 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17026 + ... + 17684.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^11436945 is an apocalyptic number.

11436945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11436945 is a deficient number, since it is larger than the sum of its proper divisors (8521455).

11436945 is a wasteful number, since it uses less digits than its factorization.

11436945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 12960, while the sum is 33.

The square root of 11436945 is about 3381.8552600607. The cubic root of 11436945 is about 225.3045751748.

The spelling of 11436945 in words is "eleven million, four hundred thirty-six thousand, nine hundred forty-five".