11902685 has 4 divisors (see below), whose sum is σ = 14283228. Its totient is φ = 9522144.

The previous prime is 11902651. The next prime is 11902699. The reversal of 11902685 is 58620911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58620911 = 43 ⋅1363277.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 6017209 = 2426^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 11902685 - 2¹⁰ = 11901661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190264 + ... + 1190273.

It is an arithmetic number, because the mean of its divisors is an integer number (3570807).

Almost surely, 2^11902685 is an apocalyptic number.

It is an amenable number.

11902685 is a deficient number, since it is larger than the sum of its proper divisors (2380543).

11902685 is an equidigital number, since it uses as much as digits as its factorization.

11902685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380542.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 11902685 is about 3450.0268114900. The cubic root of 11902685 is about 228.3222909514.

The spelling of 11902685 in words is "eleven million, nine hundred two thousand, six hundred eighty-five".