11782057 has 8 divisors (see below), whose sum is σ = 13563200. Its totient is φ = 10025424.

The previous prime is 11782039. The next prime is 11782073. The reversal of 11782057 is 75028711.

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 11782057 - 2¹⁵ = 11749289 is a prime.

It is the 3433-rd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (11782027) by changing a digit.

It is a nontrivial repunit in base 3432.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (1695400).

Almost surely, 2^11782057 is an apocalyptic number.

It is an amenable number.

11782057 is a deficient number, since it is larger than the sum of its proper divisors (1781143).

11782057 is a wasteful number, since it uses less digits than its factorization.

11782057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11782057 is about 3432.5001092498. The cubic root of 11782057 is about 227.5483582746.

The spelling of 11782057 in words is "eleven million, seven hundred eighty-two thousand, fifty-seven".