11273790 has 64 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 2701440.

The previous prime is 11273777. The next prime is 11273831. The reversal of 11273790 is 9737211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41776 + ... + 42044.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^11273790 is an apocalyptic number.

11273790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11273790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929920).

11273790 is an abundant number, since it is smaller than the sum of its proper divisors (18586050).

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

11273790 is a wasteful number, since it uses less digits than its factorization.

11273790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 11273790 is about 3357.6464971763. The cubic root of 11273790 is about 224.2280707457.

The spelling of 11273790 in words is "eleven million, two hundred seventy-three thousand, seven hundred ninety".