11378805 has 16 divisors (see below), whose sum is σ = 18268224. Its totient is φ = 6048000.

The previous prime is 11378803. The next prime is 11378821. The reversal of 11378805 is 50887311.

11378805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11378805 - 2¹ = 11378803 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (1141764).

Almost surely, 2^11378805 is an apocalyptic number.

11378805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11378805 is a deficient number, since it is larger than the sum of its proper divisors (6889419).

11378805 is a wasteful number, since it uses less digits than its factorization.

11378805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 11378805 is about 3373.2484343730. The cubic root of 11378805 is about 224.9221459037.

The spelling of 11378805 in words is "eleven million, three hundred seventy-eight thousand, eight hundred five".