11278816 has 12 divisors (see below), whose sum is σ = 22205232. Its totient is φ = 5639392.

The previous prime is 11278811. The next prime is 11278829. The reversal of 11278816 is 61887211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176200 + ... + 176263.

It is an arithmetic number, because the mean of its divisors is an integer number (1850436).

Almost surely, 2^11278816 is an apocalyptic number.

11278816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11278816 is a deficient number, since it is larger than the sum of its proper divisors (10926416).

11278816 is an equidigital number, since it uses as much as digits as its factorization.

11278816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352473 (or 352465 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 11278816 is about 3358.3948546888. The cubic root of 11278816 is about 224.2613870440.

The spelling of 11278816 in words is "eleven million, two hundred seventy-eight thousand, eight hundred sixteen".