11273040 has 160 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 2820096.

The previous prime is 11273033. The next prime is 11273051. The reversal of 11273040 is 4037211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36567 + ... + 36873.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^11273040 is an apocalyptic number.

11273040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11273040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680).

11273040 is an abundant number, since it is smaller than the sum of its proper divisors (29974320).

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

11273040 is a wasteful number, since it uses less digits than its factorization.

11273040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 11273040 is about 3357.5348099461. The cubic root of 11273040 is about 224.2230983042.

The spelling of 11273040 in words is "eleven million, two hundred seventy-three thousand, forty".