11400645 has 8 divisors (see below), whose sum is σ = 18241056. Its totient is φ = 6080336.

The previous prime is 11400643. The next prime is 11400661. The reversal of 11400645 is 54600411.

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 11400645 - 2¹ = 11400643 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400643) 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, 380007 + ... + 380036.

It is an arithmetic number, because the mean of its divisors is an integer number (2280132).

Almost surely, 2^11400645 is an apocalyptic number.

11400645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11400645 is a deficient number, since it is larger than the sum of its proper divisors (6840411).

11400645 is an equidigital number, since it uses as much as digits as its factorization.

11400645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760051.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11400645 is about 3376.4841181324. The cubic root of 11400645 is about 225.0659559726.

The spelling of 11400645 in words is "eleven million, four hundred thousand, six hundred forty-five".