13440255 has 16 divisors (see below), whose sum is σ = 21577344. Its totient is φ = 7143840.

The previous prime is 13440241. The next prime is 13440269. The reversal of 13440255 is 55204431.

It is an interprime number because it is at equal distance from previous prime (13440241) and next prime (13440269).

It is not a de Polignac number, because 13440255 - 2⁹ = 13439743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3612 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (1348584).

Almost surely, 2^13440255 is an apocalyptic number.

13440255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13440255 is a deficient number, since it is larger than the sum of its proper divisors (8137089).

13440255 is a wasteful number, since it uses less digits than its factorization.

13440255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13440255 is about 3666.0953342760. The cubic root of 13440255 is about 237.7583817717.

Adding to 13440255 its reverse (55204431), we get a palindrome (68644686).

It can be divided in two parts, 13440 and 255, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 13440255 in words is "thirteen million, four hundred forty thousand, two hundred fifty-five".