11471378 has 16 divisors (see below), whose sum is σ = 17570520. Its totient is φ = 5616000.

The previous prime is 11471377. The next prime is 11471381. The reversal of 11471378 is 87317411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11336689 + 134689 = 3367^2 + 367^2 .

It is not an unprimeable number, because it can be changed into a prime (11471371) 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, 21758 + ... + 22278.

Almost surely, 2^11471378 is an apocalyptic number.

11471378 is a deficient number, since it is larger than the sum of its proper divisors (6099142).

11471378 is a wasteful number, since it uses less digits than its factorization.

11471378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its digits is 4704, while the sum is 32.

The square root of 11471378 is about 3386.9422788114. The cubic root of 11471378 is about 225.5304554222.

Adding to 11471378 its reverse (87317411), we get a palindrome (98788789).

The spelling of 11471378 in words is "eleven million, four hundred seventy-one thousand, three hundred seventy-eight".