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11892 = 223991
BaseRepresentation
bin10111001110100
3121022110
42321310
5340032
6131020
746446
oct27164
917273
1011892
118a31
126a70
13554a
144496
1537cc
hex2e74

11892 has 12 divisors (see below), whose sum is σ = 27776. Its totient is φ = 3960.

The previous prime is 11887. The next prime is 11897. The reversal of 11892 is 29811.

It is an interprime number because it is at equal distance from previous prime (11887) and next prime (11897).

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897) 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, 484 + ... + 507.

211892 is an apocalyptic number.

11892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11892 is an abundant number, since it is smaller than the sum of its proper divisors (15884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13888).

11892 is a wasteful number, since it uses less digits than its factorization.

11892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 11892 is about 109.0504470417. The cubic root of 11892 is about 22.8253949115.

It can be divided in two parts, 118 and 92, that added together give a triangular number (210 = T20).

The spelling of 11892 in words is "eleven thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 991 1982 2973 3964 5946 11892