11712057 has 8 divisors (see below), whose sum is σ = 17846976. Its totient is φ = 6692592.

The previous prime is 11712053. The next prime is 11712059. The reversal of 11712057 is 75021711.

It is a happy number.

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

It is not a de Polignac number, because 11712057 - 2² = 11712053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11712053) 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 7 ways as a sum of consecutive naturals, for example, 278838 + ... + 278879.

It is an arithmetic number, because the mean of its divisors is an integer number (2230872).

Almost surely, 2^11712057 is an apocalyptic number.

It is an amenable number.

11712057 is a deficient number, since it is larger than the sum of its proper divisors (6134919).

11712057 is an equidigital number, since it uses as much as digits as its factorization.

11712057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557727.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 11712057 is about 3422.2882695647. The cubic root of 11712057 is about 227.0968232445.

Adding to 11712057 its reverse (75021711), we get a palindrome (86733768).

The spelling of 11712057 in words is "eleven million, seven hundred twelve thousand, fifty-seven".