13452251 has 4 divisors (see below), whose sum is σ = 13591032. Its totient is φ = 13313472.

The previous prime is 13452211. The next prime is 13452319. The reversal of 13452251 is 15225431.

13452251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13452251 - 2¹⁴ = 13435867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13452211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69245 + ... + 69438.

It is an arithmetic number, because the mean of its divisors is an integer number (3397758).

Almost surely, 2^13452251 is an apocalyptic number.

13452251 is a deficient number, since it is larger than the sum of its proper divisors (138781).

13452251 is an equidigital number, since it uses as much as digits as its factorization.

13452251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138780.

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

The square root of 13452251 is about 3667.7310424839. The cubic root of 13452251 is about 237.8290972310.

Adding to 13452251 its reverse (15225431), we get a palindrome (28677682).

The spelling of 13452251 in words is "thirteen million, four hundred fifty-two thousand, two hundred fifty-one".