13147552 has 48 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 5824000.

The previous prime is 13147531. The next prime is 13147571. The reversal of 13147552 is 25574131.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13147552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13977 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 2^13147552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13147552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912).

13147552 is an abundant number, since it is smaller than the sum of its proper divisors (15810272).

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

13147552 is a wasteful number, since it uses less digits than its factorization.

13147552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 13147552 is about 3625.9553223944. The cubic root of 13147552 is about 236.0197244838.

The spelling of 13147552 in words is "thirteen million, one hundred forty-seven thousand, five hundred fifty-two".