11696851 has 4 divisors (see below), whose sum is σ = 11743704. Its totient is φ = 11650000.

The previous prime is 11696821. The next prime is 11696887. The reversal of 11696851 is 15869611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15869611 = 491 ⋅32321.

It is a cyclic number.

It is not a de Polignac number, because 11696851 - 2⁹ = 11696339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11696851.

It is not an unprimeable number, because it can be changed into a prime (11696801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23050 + ... + 23551.

It is an arithmetic number, because the mean of its divisors is an integer number (2935926).

Almost surely, 2^11696851 is an apocalyptic number.

11696851 is the 1530-th centered decagonal number.

11696851 is a deficient number, since it is larger than the sum of its proper divisors (46853).

11696851 is an equidigital number, since it uses as much as digits as its factorization.

11696851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46852.

The product of its digits is 12960, while the sum is 37.

The square root of 11696851 is about 3420.0659350369. The cubic root of 11696851 is about 226.9984992171.

The spelling of 11696851 in words is "eleven million, six hundred ninety-six thousand, eight hundred fifty-one".