13071552 has 56 divisors (see below), whose sum is σ = 37252656. Its totient is φ = 4021248.

The previous prime is 13071551. The next prime is 13071559. The reversal of 13071552 is 25517031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13071551) 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 7 ways as a sum of consecutive naturals, for example, 123 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (665226).

Almost surely, 2^13071552 is an apocalyptic number.

13071552 is a gapful number since it is divisible by the number (12) 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 13071552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18626328).

13071552 is an abundant number, since it is smaller than the sum of its proper divisors (24181104).

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

13071552 is a wasteful number, since it uses less digits than its factorization.

13071552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5255 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 13071552 is about 3615.4601366908. The cubic root of 13071552 is about 235.5640712610.

Adding to 13071552 its reverse (25517031), we get a palindrome (38588583).

The spelling of 13071552 in words is "thirteen million, seventy-one thousand, five hundred fifty-two".