11783973 has 8 divisors (see below), whose sum is σ = 15867936. Its totient is φ = 7778000.

The previous prime is 11783969. The next prime is 11783987. The reversal of 11783973 is 37938711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11783973 - 2² = 11783969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11783953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19143 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (1983492).

Almost surely, 2^11783973 is an apocalyptic number.

It is an amenable number.

11783973 is a deficient number, since it is larger than the sum of its proper divisors (4083963).

11783973 is a wasteful number, since it uses less digits than its factorization.

11783973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38995.

The product of its digits is 31752, while the sum is 39.

The square root of 11783973 is about 3432.7791947633. The cubic root of 11783973 is about 227.5606922562.

It can be divided in two parts, 1178 and 3973, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 11783973 in words is "eleven million, seven hundred eighty-three thousand, nine hundred seventy-three".