11912077 has 4 divisors (see below), whose sum is σ = 12055680. Its totient is φ = 11768476.

The previous prime is 11912071. The next prime is 11912083. The reversal of 11912077 is 77021911.

11912077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11912071) and next prime (11912083).

It is a cyclic number.

It is not a de Polignac number, because 11912077 - 2²³ = 3523469 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 (11912071) 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, 71677 + ... + 71842.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^11912077 is an apocalyptic number.

It is an amenable number.

11912077 is a deficient number, since it is larger than the sum of its proper divisors (143603).

11912077 is an equidigital number, since it uses as much as digits as its factorization.

11912077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143602.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11912077 is about 3451.3876919291. The cubic root of 11912077 is about 228.3823289226.

Adding to 11912077 its reverse (77021911), we get a palindrome (88933988).

The spelling of 11912077 in words is "eleven million, nine hundred twelve thousand, seventy-seven".