13144554 has 12 divisors (see below), whose sum is σ = 28479906. Its totient is φ = 4381512.

The previous prime is 13144543. The next prime is 13144577. The reversal of 13144554 is 45544131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12766329 + 378225 = 3573^2 + 615^2 .

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 5 ways as a sum of consecutive naturals, for example, 365109 + ... + 365144.

Almost surely, 2^13144554 is an apocalyptic number.

13144554 is an abundant number, since it is smaller than the sum of its proper divisors (15335352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144554 is a wasteful number, since it uses less digits than its factorization.

13144554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730261 (or 730258 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 13144554 is about 3625.5418905317. The cubic root of 13144554 is about 236.0017834779.

Adding to 13144554 its reverse (45544131), we get a palindrome (58688685).

The spelling of 13144554 in words is "thirteen million, one hundred forty-four thousand, five hundred fifty-four".