11992783 has 12 divisors (see below), whose sum is σ = 13346424. Its totient is φ = 10687200.

The previous prime is 11992741. The next prime is 11992793. The reversal of 11992783 is 38729911.

It is not a de Polignac number, because 11992783 - 2¹⁷ = 11861711 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 (11992703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40785 + ... + 41077.

It is an arithmetic number, because the mean of its divisors is an integer number (1112202).

Almost surely, 2^11992783 is an apocalyptic number.

11992783 is a deficient number, since it is larger than the sum of its proper divisors (1353641).

11992783 is an equidigital number, since it uses as much as digits as its factorization.

11992783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 365 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 11992783 is about 3463.0597742459. The cubic root of 11992783 is about 228.8969426250.

The spelling of 11992783 in words is "eleven million, nine hundred ninety-two thousand, seven hundred eighty-three".