13125552 has 40 divisors (see below), whose sum is σ = 36991680. Its totient is φ = 3977280.

The previous prime is 13125551. The next prime is 13125569. The reversal of 13125552 is 25552131.

It is a happy number.

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 (13125551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 12957.

It is an arithmetic number, because the mean of its divisors is an integer number (924792).

Almost surely, 2^13125552 is an apocalyptic number.

13125552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125552 is an abundant number, since it is smaller than the sum of its proper divisors (23866128).

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

13125552 is a wasteful number, since it uses less digits than its factorization.

13125552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24881 (or 24875 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 13125552 is about 3622.9203689841. The cubic root of 13125552 is about 235.8880058483. Note that the first 3 decimals are identical.

Adding to 13125552 its reverse (25552131), we get a palindrome (38677683).

The spelling of 13125552 in words is "thirteen million, one hundred twenty-five thousand, five hundred fifty-two".