11278648 has 16 divisors (see below), whose sum is σ = 22067280. Its totient is φ = 5394048.

The previous prime is 11278639. The next prime is 11278681. The reversal of 11278648 is 84687211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30465 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (1379205).

Almost surely, 2^11278648 is an apocalyptic number.

It is an amenable number.

11278648 is a deficient number, since it is larger than the sum of its proper divisors (10788632).

11278648 is a wasteful number, since it uses less digits than its factorization.

11278648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61326 (or 61322 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 11278648 is about 3358.3698426469. The cubic root of 11278648 is about 224.2602735672.

The spelling of 11278648 in words is "eleven million, two hundred seventy-eight thousand, six hundred forty-eight".