11947255 has 4 divisors (see below), whose sum is σ = 14336712. Its totient is φ = 9557800.

The previous prime is 11947213. The next prime is 11947283. The reversal of 11947255 is 55274911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11947255 - 2⁷ = 11947127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11947255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194721 + ... + 1194730.

It is an arithmetic number, because the mean of its divisors is an integer number (3584178).

Almost surely, 2^11947255 is an apocalyptic number.

11947255 is a deficient number, since it is larger than the sum of its proper divisors (2389457).

11947255 is an equidigital number, since it uses as much as digits as its factorization.

11947255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389456.

The product of its digits is 12600, while the sum is 34.

The square root of 11947255 is about 3456.4801460445. The cubic root of 11947255 is about 228.6069227803.

It can be divided in two parts, 119 and 47255, that added together give a palindrome (47374).

The spelling of 11947255 in words is "eleven million, nine hundred forty-seven thousand, two hundred fifty-five".