11922877 has 4 divisors (see below), whose sum is σ = 12118396. Its totient is φ = 11727360.

The previous prime is 11922863. The next prime is 11922881. The reversal of 11922877 is 77822911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77822911 = 7411 ⋅10501.

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 11758041 = 406^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 11922877 - 2¹⁹ = 11398589 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 (11922847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97668 + ... + 97789.

It is an arithmetic number, because the mean of its divisors is an integer number (3029599).

Almost surely, 2^11922877 is an apocalyptic number.

It is an amenable number.

11922877 is a deficient number, since it is larger than the sum of its proper divisors (195519).

11922877 is an equidigital number, since it uses as much as digits as its factorization.

11922877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195518.

The product of its digits is 14112, while the sum is 37.

The square root of 11922877 is about 3452.9519255269. The cubic root of 11922877 is about 228.4513284796.

The spelling of 11922877 in words is "eleven million, nine hundred twenty-two thousand, eight hundred seventy-seven".