11892839 has 8 divisors (see below), whose sum is σ = 13869600. Its totient is φ = 10193568.

The previous prime is 11892827. The next prime is 11892869. The reversal of 11892839 is 93829811.

It is not a de Polignac number, because 11892839 - 2⁴ = 11892823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11892796 and 11892805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11892869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (1733700).

Almost surely, 2^11892839 is an apocalyptic number.

11892839 is a deficient number, since it is larger than the sum of its proper divisors (1976761).

11892839 is an frugal number, since it uses more digits than its factorization.

11892839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34694 (or 34680 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 11892839 is about 3448.5995708403. The cubic root of 11892839 is about 228.2593168848.

The spelling of 11892839 in words is "eleven million, eight hundred ninety-two thousand, eight hundred thirty-nine".