11390256 has 60 divisors (see below), whose sum is σ = 32294808. Its totient is φ = 3747072.

The previous prime is 11390213. The next prime is 11390261. The reversal of 11390256 is 65209311.

11390256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11476 + ... + 12428.

Almost surely, 2^11390256 is an apocalyptic number.

11390256 is a gapful number since it is divisible by the number (16) 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 11390256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16147404).

11390256 is an abundant number, since it is smaller than the sum of its proper divisors (20904552).

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

11390256 is a wasteful number, since it uses less digits than its factorization.

11390256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 11390256 is about 3374.9453328906. The cubic root of 11390256 is about 224.9975703441.

Adding to 11390256 its reverse (65209311), we get a palindrome (76599567).

The spelling of 11390256 in words is "eleven million, three hundred ninety thousand, two hundred fifty-six".