11892101 has 4 divisors (see below), whose sum is σ = 12806892. Its totient is φ = 10977312.

The previous prime is 11892079. The next prime is 11892109. The reversal of 11892101 is 10129811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10129811 = 43 ⋅235577.

It can be written as a sum of positive squares in 2 ways, for example, as 7896100 + 3996001 = 2810^2 + 1999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11892101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11892109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457376 + ... + 457401.

It is an arithmetic number, because the mean of its divisors is an integer number (3201723).

Almost surely, 2^11892101 is an apocalyptic number.

It is an amenable number.

11892101 is a deficient number, since it is larger than the sum of its proper divisors (914791).

11892101 is an equidigital number, since it uses as much as digits as its factorization.

11892101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914790.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11892101 is about 3448.4925692250. The cubic root of 11892101 is about 228.2545953079.

The spelling of 11892101 in words is "eleven million, eight hundred ninety-two thousand, one hundred one".