11783957 has 2 divisors, whose sum is σ = 11783958. Its totient is φ = 11783956.

The previous prime is 11783953. The next prime is 11783969. The reversal of 11783957 is 75938711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 217156 = 3401^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 11783957 - 2² = 11783953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11783951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891978 + 5891979.

It is an arithmetic number, because the mean of its divisors is an integer number (5891979).

Almost surely, 2^11783957 is an apocalyptic number.

It is an amenable number.

11783957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11783957 is an equidigital number, since it uses as much as digits as its factorization.

11783957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 11783957 is about 3432.7768642893. The cubic root of 11783957 is about 227.5605892640.

The spelling of 11783957 in words is "eleven million, seven hundred eighty-three thousand, nine hundred fifty-seven".