11897277 has 8 divisors (see below), whose sum is σ = 18129216. Its totient is φ = 6798432.

The previous prime is 11897267. The next prime is 11897299. The reversal of 11897277 is 77279811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11897277 - 2⁴ = 11897261 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283248 + ... + 283289.

It is an arithmetic number, because the mean of its divisors is an integer number (2266152).

Almost surely, 2^11897277 is an apocalyptic number.

It is an amenable number.

11897277 is a deficient number, since it is larger than the sum of its proper divisors (6231939).

11897277 is an equidigital number, since it uses as much as digits as its factorization.

11897277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566547.

The product of its digits is 49392, while the sum is 42.

The square root of 11897277 is about 3449.2429604190. The cubic root of 11897277 is about 228.2877062056.

The spelling of 11897277 in words is "eleven million, eight hundred ninety-seven thousand, two hundred seventy-seven".