11397255 has 16 divisors (see below), whose sum is σ = 18278880. Its totient is φ = 6064128.

The previous prime is 11397241. The next prime is 11397257. The reversal of 11397255 is 55279311.

It is not a de Polignac number, because 11397255 - 2⁵ = 11397223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397257) 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 15 ways as a sum of consecutive naturals, for example, 9531 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (1142430).

Almost surely, 2^11397255 is an apocalyptic number.

11397255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11397255 is a deficient number, since it is larger than the sum of its proper divisors (6881625).

11397255 is a wasteful number, since it uses less digits than its factorization.

11397255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its digits is 9450, while the sum is 33.

The square root of 11397255 is about 3375.9820793363. The cubic root of 11397255 is about 225.0436458539.

The spelling of 11397255 in words is "eleven million, three hundred ninety-seven thousand, two hundred fifty-five".