11902 has 8 divisors (see below), whose sum is σ = 19512. Its totient is φ = 5400.

The previous prime is 11897. The next prime is 11903. The reversal of 11902 is 20911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903) by changing a digit.

11902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249 + ... + 292.

It is an arithmetic number, because the mean of its divisors is an integer number (2439).

2¹¹⁹⁰² is an apocalyptic number.

11902 is a deficient number, since it is larger than the sum of its proper divisors (7610).

11902 is a wasteful number, since it uses less digits than its factorization.

11902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 11902 is about 109.0962877462. The cubic root of 11902 is about 22.8317910882.

Subtracting 11902 from its reverse (20911), we obtain a palindrome (9009).

The spelling of 11902 in words is "eleven thousand, nine hundred two".