11420783 has 4 divisors (see below), whose sum is σ = 12459048. Its totient is φ = 10382520.

The previous prime is 11420713. The next prime is 11420789. The reversal of 11420783 is 38702411.

11420783 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11420783 - 2⁸ = 11420527 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 (11420789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519116 + ... + 519137.

It is an arithmetic number, because the mean of its divisors is an integer number (3114762).

Almost surely, 2^11420783 is an apocalyptic number.

11420783 is a deficient number, since it is larger than the sum of its proper divisors (1038265).

11420783 is a wasteful number, since it uses less digits than its factorization.

11420783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038264.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11420783 is about 3379.4648984714. The cubic root of 11420783 is about 225.1983962040.

The spelling of 11420783 in words is "eleven million, four hundred twenty thousand, seven hundred eighty-three".