11857012 has 6 divisors (see below), whose sum is σ = 20749778. Its totient is φ = 5928504.

The previous prime is 11857003. The next prime is 11857033. The reversal of 11857012 is 21075811.

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 2085136 = 3126^2 + 1444^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1482123 + ... + 1482130.

Almost surely, 2^11857012 is an apocalyptic number.

It is an amenable number.

11857012 is a deficient number, since it is larger than the sum of its proper divisors (8892766).

11857012 is a wasteful number, since it uses less digits than its factorization.

11857012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964257 (or 2964255 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11857012 is about 3443.4012255327. The cubic root of 11857012 is about 228.0298770738.

The spelling of 11857012 in words is "eleven million, eight hundred fifty-seven thousand, twelve".