11916277 has 4 divisors (see below), whose sum is σ = 12434400. Its totient is φ = 11398156.

The previous prime is 11916271. The next prime is 11916313. The reversal of 11916277 is 77261911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77261911 = 269 ⋅287219.

It is a de Polignac number, because none of the positive numbers 2^k-11916277 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 (11916271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259027 + ... + 259072.

It is an arithmetic number, because the mean of its divisors is an integer number (3108600).

Almost surely, 2^11916277 is an apocalyptic number.

It is an amenable number.

11916277 is a deficient number, since it is larger than the sum of its proper divisors (518123).

11916277 is an equidigital number, since it uses as much as digits as its factorization.

11916277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518122.

The product of its digits is 5292, while the sum is 34.

The square root of 11916277 is about 3451.9960892214. The cubic root of 11916277 is about 228.4091670374.

The spelling of 11916277 in words is "eleven million, nine hundred sixteen thousand, two hundred seventy-seven".