13441428 has 144 divisors (see below), whose sum is σ = 45741696. Its totient is φ = 3214080.

The previous prime is 13441427. The next prime is 13441429. The reversal of 13441428 is 82414431.

It is an interprime number because it is at equal distance from previous prime (13441427) and next prime (13441429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441423) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 35850 + ... + 36222.

Almost surely, 2^13441428 is an apocalyptic number.

13441428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13441428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22870848).

13441428 is an abundant number, since it is smaller than the sum of its proper divisors (32300268).

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

13441428 is a wasteful number, since it uses less digits than its factorization.

13441428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 409 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 13441428 is about 3666.2553102587. The cubic root of 13441428 is about 237.7652983684.

Adding to 13441428 its reverse (82414431), we get a palindrome (95855859).

It can be divided in two parts, 1344 and 1428, that added together give a palindrome (2772).

The spelling of 13441428 in words is "thirteen million, four hundred forty-one thousand, four hundred twenty-eight".