13225528 has 8 divisors (see below), whose sum is σ = 24797880. Its totient is φ = 6612760.

The previous prime is 13225517. The next prime is 13225549. The reversal of 13225528 is 82552231.

13225528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a junction number, because it is equal to n+sod(n) for n = 13225496 and 13225505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826588 + ... + 826603.

It is an arithmetic number, because the mean of its divisors is an integer number (3099735).

Almost surely, 2^13225528 is an apocalyptic number.

It is an amenable number.

13225528 is a deficient number, since it is larger than the sum of its proper divisors (11572352).

13225528 is a wasteful number, since it uses less digits than its factorization.

13225528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653197 (or 1653193 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 13225528 is about 3636.6919033649. The cubic root of 13225528 is about 236.4854033158.

Adding to 13225528 its reverse (82552231), we get a palindrome (95777759).

The spelling of 13225528 in words is "thirteen million, two hundred twenty-five thousand, five hundred twenty-eight".