11681853 has 16 divisors (see below), whose sum is σ = 16078656. Its totient is φ = 7539840.

The previous prime is 11681837. The next prime is 11681869. The reversal of 11681853 is 35818611.

It is an interprime number because it is at equal distance from previous prime (11681837) and next prime (11681869).

It is not a de Polignac number, because 11681853 - 2⁴ = 11681837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17343 + ... + 18003.

It is an arithmetic number, because the mean of its divisors is an integer number (1004916).

Almost surely, 2^11681853 is an apocalyptic number.

It is an amenable number.

11681853 is a deficient number, since it is larger than the sum of its proper divisors (4396803).

11681853 is a wasteful number, since it uses less digits than its factorization.

11681853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 5760, while the sum is 33.

The square root of 11681853 is about 3417.8725839329. The cubic root of 11681853 is about 226.9014366358.

The spelling of 11681853 in words is "eleven million, six hundred eighty-one thousand, eight hundred fifty-three".