13052550 has 96 divisors (see below), whose sum is σ = 38283264. Its totient is φ = 2880000.

The previous prime is 13052539. The next prime is 13052561. The reversal of 13052550 is 5525031.

It is an interprime number because it is at equal distance from previous prime (13052539) and next prime (13052561).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 32350 + ... + 32750.

It is an arithmetic number, because the mean of its divisors is an integer number (398784).

Almost surely, 2^13052550 is an apocalyptic number.

13052550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13052550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19141632).

13052550 is an abundant number, since it is smaller than the sum of its proper divisors (25230714).

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

13052550 is a wasteful number, since it uses less digits than its factorization.

13052550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 13052550 is about 3612.8312996873. The cubic root of 13052550 is about 235.4498701003.

Adding to 13052550 its reverse (5525031), we get a palindrome (18577581).

The spelling of 13052550 in words is "thirteen million, fifty-two thousand, five hundred fifty".