11273248 has 48 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 4743936.

The previous prime is 11273233. The next prime is 11273263. The reversal of 11273248 is 84237211.

It is an interprime number because it is at equal distance from previous prime (11273233) and next prime (11273263).

It is a super-2 number, since 2×11273248² = 254172240939008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12790 + ... + 13642.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^11273248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11273248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12912480).

11273248 is an abundant number, since it is smaller than the sum of its proper divisors (14551712).

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

11273248 is an equidigital number, since it uses as much as digits as its factorization.

11273248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 921 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 11273248 is about 3357.5657849103. The cubic root of 11273248 is about 224.2244773501.

The spelling of 11273248 in words is "eleven million, two hundred seventy-three thousand, two hundred forty-eight".