13452521 has 8 divisors (see below), whose sum is σ = 13700544. Its totient is φ = 13206960.

The previous prime is 13452503. The next prime is 13452533. The reversal of 13452521 is 12525431.

13452521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13452521 - 2¹⁰ = 13451497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13452121) 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, 12995 + ... + 13991.

It is an arithmetic number, because the mean of its divisors is an integer number (1712568).

Almost surely, 2^13452521 is an apocalyptic number.

It is an amenable number.

13452521 is a deficient number, since it is larger than the sum of its proper divisors (248023).

13452521 is a wasteful number, since it uses less digits than its factorization.

13452521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its digits is 1200, while the sum is 23.

The square root of 13452521 is about 3667.7678497964. The cubic root of 13452521 is about 237.8306883755.

Adding to 13452521 its reverse (12525431), we get a palindrome (25977952).

The spelling of 13452521 in words is "thirteen million, four hundred fifty-two thousand, five hundred twenty-one".