11273864 has 32 divisors (see below), whose sum is σ = 25211520. Its totient is φ = 4621056.

The previous prime is 11273861. The next prime is 11273879. The reversal of 11273864 is 46837211.

It is a self number, because there is not a number n which added to its sum of digits gives 11273864.

It is not an unprimeable number, because it can be changed into a prime (11273861) 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, 3089 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (787860).

Almost surely, 2^11273864 is an apocalyptic number.

11273864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11273864 is an abundant number, since it is smaller than the sum of its proper divisors (13937656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11273864 is a wasteful number, since it uses less digits than its factorization.

11273864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789 (or 8785 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 11273864 is about 3357.6575167816. The cubic root of 11273864 is about 224.2285613480.

The spelling of 11273864 in words is "eleven million, two hundred seventy-three thousand, eight hundred sixty-four".