11892869 has 2 divisors, whose sum is σ = 11892870. Its totient is φ = 11892868.

The previous prime is 11892827. The next prime is 11892883. The reversal of 11892869 is 96829811.

11892869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 4264225 = 2762^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11892869 is a prime.

It is a super-2 number, since 2×11892869² = 282880666102322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11892169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946434 + 5946435.

It is an arithmetic number, because the mean of its divisors is an integer number (5946435).

Almost surely, 2^11892869 is an apocalyptic number.

It is an amenable number.

11892869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11892869 is an equidigital number, since it uses as much as digits as its factorization.

11892869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 11892869 is about 3448.6039204293. The cubic root of 11892869 is about 228.2595088147.

The spelling of 11892869 in words is "eleven million, eight hundred ninety-two thousand, eight hundred sixty-nine".