13144755 has 16 divisors (see below), whose sum is σ = 22649760. Its totient is φ = 6471168.

The previous prime is 13144741. The next prime is 13144771. The reversal of 13144755 is 55744131.

It is not a de Polignac number, because 13144755 - 2¹⁶ = 13079219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33510 + ... + 33899.

It is an arithmetic number, because the mean of its divisors is an integer number (1415610).

Almost surely, 2^13144755 is an apocalyptic number.

13144755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13144755 is a deficient number, since it is larger than the sum of its proper divisors (9505005).

13144755 is a wasteful number, since it uses less digits than its factorization.

13144755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67430.

The product of its digits is 8400, while the sum is 30.

The square root of 13144755 is about 3625.5696104199. The cubic root of 13144755 is about 236.0029864125.

Adding to 13144755 its reverse (55744131), we get a palindrome (68888886).

The spelling of 13144755 in words is "thirteen million, one hundred forty-four thousand, seven hundred fifty-five".