11478814 has 4 divisors (see below), whose sum is σ = 17218224. Its totient is φ = 5739406.

The previous prime is 11478799. The next prime is 11478827. The reversal of 11478814 is 41887411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41887411 = 347 ⋅120713.

It is a self number, because there is not a number n which added to its sum of digits gives 11478814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2869702 + ... + 2869705.

It is an arithmetic number, because the mean of its divisors is an integer number (4304556).

Almost surely, 2^11478814 is an apocalyptic number.

11478814 is a deficient number, since it is larger than the sum of its proper divisors (5739410).

11478814 is an equidigital number, since it uses as much as digits as its factorization.

11478814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739409.

The product of its digits is 7168, while the sum is 34.

The square root of 11478814 is about 3388.0398462828. The cubic root of 11478814 is about 225.5791761667.

The spelling of 11478814 in words is "eleven million, four hundred seventy-eight thousand, eight hundred fourteen".