11378873 has 4 divisors (see below), whose sum is σ = 12413328. Its totient is φ = 10344420.

The previous prime is 11378849. The next prime is 11378881. The reversal of 11378873 is 37887311.

11378873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11378873 - 2¹² = 11374777 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 517211 + ... + 517232.

It is an arithmetic number, because the mean of its divisors is an integer number (3103332).

Almost surely, 2^11378873 is an apocalyptic number.

It is an amenable number.

11378873 is a deficient number, since it is larger than the sum of its proper divisors (1034455).

11378873 is a wasteful number, since it uses less digits than its factorization.

11378873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034454.

The product of its digits is 28224, while the sum is 38.

The square root of 11378873 is about 3373.2585136630. The cubic root of 11378873 is about 224.9225939494.

Subtracting from 11378873 its sum of digits (38), we obtain a triangular number (11378835 = T₄₇₇₀).

The spelling of 11378873 in words is "eleven million, three hundred seventy-eight thousand, eight hundred seventy-three".