11275290 has 96 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 2648448.

The previous prime is 11275283. The next prime is 11275291. The reversal of 11275290 is 9257211.

It is not an unprimeable number, because it can be changed into a prime (11275291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26701 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^11275290 is an apocalyptic number.

11275290 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 11275290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16511040).

11275290 is an abundant number, since it is smaller than the sum of its proper divisors (21746790).

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

11275290 is a wasteful number, since it uses less digits than its factorization.

11275290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11275290 is about 3357.8698604919. The cubic root of 11275290 is about 224.2380149671.

The spelling of 11275290 in words is "eleven million, two hundred seventy-five thousand, two hundred ninety".