13244155 has 16 divisors (see below), whose sum is σ = 16552800. Its totient is φ = 10160640.

The previous prime is 13244149. The next prime is 13244167. The reversal of 13244155 is 55144231.

It is a happy number.

It is not a de Polignac number, because 13244155 - 2⁵ = 13244123 is a prime.

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, 34756 + ... + 35134.

It is an arithmetic number, because the mean of its divisors is an integer number (1034550).

Almost surely, 2^13244155 is an apocalyptic number.

13244155 is a deficient number, since it is larger than the sum of its proper divisors (3308645).

13244155 is a wasteful number, since it uses less digits than its factorization.

13244155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its digits is 2400, while the sum is 25.

The square root of 13244155 is about 3639.2519835812. The cubic root of 13244155 is about 236.5963742401.

Adding to 13244155 its reverse (55144231), we get a palindrome (68388386).

It can be divided in two parts, 132441 and 55, that added together give a square (132496 = 364²).

The spelling of 13244155 in words is "thirteen million, two hundred forty-four thousand, one hundred fifty-five".