11273912 has 32 divisors (see below), whose sum is σ = 23303280. Its totient is φ = 5080320.

The previous prime is 11273903. The next prime is 11273929. The reversal of 11273912 is 21937211.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 15.

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, 3212 + ... + 5732.

Almost surely, 2^11273912 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 11273912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11651640).

11273912 is an abundant number, since it is smaller than the sum of its proper divisors (12029368).

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

11273912 is a wasteful number, since it uses less digits than its factorization.

11273912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2579 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 11273912 is about 3357.6646646144. The cubic root of 11273912 is about 224.2288795753.

The spelling of 11273912 in words is "eleven million, two hundred seventy-three thousand, nine hundred twelve".