11257783 has 4 divisors (see below), whose sum is σ = 11470248. Its totient is φ = 11045320.

The previous prime is 11257781. The next prime is 11257793. The reversal of 11257783 is 38775211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38775211 = 3463 ⋅11197.

It is a cyclic number.

It is not a de Polignac number, because 11257783 - 2¹ = 11257781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106153 + ... + 106258.

It is an arithmetic number, because the mean of its divisors is an integer number (2867562).

Almost surely, 2^11257783 is an apocalyptic number.

11257783 is a deficient number, since it is larger than the sum of its proper divisors (212465).

11257783 is an equidigital number, since it uses as much as digits as its factorization.

11257783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212464.

The product of its digits is 11760, while the sum is 34.

The square root of 11257783 is about 3355.2619867903. The cubic root of 11257783 is about 224.1218976729.

The spelling of 11257783 in words is "eleven million, two hundred fifty-seven thousand, seven hundred eighty-three".