11864057 has 2 divisors, whose sum is σ = 11864058. Its totient is φ = 11864056.

The previous prime is 11864051. The next prime is 11864059. The reversal of 11864057 is 75046811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9339136 + 2524921 = 3056^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 11864057 - 2¹² = 11859961 is a prime.

Together with 11864059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11864051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5932028 + 5932029.

It is an arithmetic number, because the mean of its divisors is an integer number (5932029).

Almost surely, 2^11864057 is an apocalyptic number.

It is an amenable number.

11864057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11864057 is an equidigital number, since it uses as much as digits as its factorization.

11864057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 11864057 is about 3444.4240447425. The cubic root of 11864057 is about 228.0750304514.

The spelling of 11864057 in words is "eleven million, eight hundred sixty-four thousand, fifty-seven".