11478212 has 6 divisors (see below), whose sum is σ = 20086878. Its totient is φ = 5739104.

The previous prime is 11478209. The next prime is 11478221. The reversal of 11478212 is 21287411.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 495616 = 3314^2 + 704^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434773 + ... + 1434780.

It is an arithmetic number, because the mean of its divisors is an integer number (3347813).

Almost surely, 2^11478212 is an apocalyptic number.

It is an amenable number.

11478212 is a deficient number, since it is larger than the sum of its proper divisors (8608666).

11478212 is a wasteful number, since it uses less digits than its factorization.

11478212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869557 (or 2869555 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 11478212 is about 3387.9510031876. The cubic root of 11478212 is about 225.5752326397.

The spelling of 11478212 in words is "eleven million, four hundred seventy-eight thousand, two hundred twelve".