11312783 has 4 divisors (see below), whose sum is σ = 11416680. Its totient is φ = 11208888.

The previous prime is 11312731. The next prime is 11312801. The reversal of 11312783 is 38721311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38721311 = 449 ⋅86239.

It is a cyclic number.

It is not a de Polignac number, because 11312783 - 2¹⁰ = 11311759 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 (11312723) 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, 51785 + ... + 52002.

It is an arithmetic number, because the mean of its divisors is an integer number (2854170).

Almost surely, 2^11312783 is an apocalyptic number.

11312783 is a deficient number, since it is larger than the sum of its proper divisors (103897).

11312783 is a wasteful number, since it uses less digits than its factorization.

11312783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103896.

The product of its digits is 1008, while the sum is 26.

The square root of 11312783 is about 3363.4480819540. The cubic root of 11312783 is about 224.4862880864.

The spelling of 11312783 in words is "eleven million, three hundred twelve thousand, seven hundred eighty-three".