13251251 has 8 divisors (see below), whose sum is σ = 14305200. Its totient is φ = 12202272.

The previous prime is 13251233. The next prime is 13251253. The reversal of 13251251 is 15215231.

It is a happy number.

13251251 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 13251251 - 2¹⁰ = 13250227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13251253) 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, 5825 + ... + 7773.

It is an arithmetic number, because the mean of its divisors is an integer number (1788150).

Almost surely, 2^13251251 is an apocalyptic number.

13251251 is a deficient number, since it is larger than the sum of its proper divisors (1053949).

13251251 is a wasteful number, since it uses less digits than its factorization.

13251251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its digits is 300, while the sum is 20.

The square root of 13251251 is about 3640.2267786499. The cubic root of 13251251 is about 236.6386215087.

Adding to 13251251 its reverse (15215231), we get a palindrome (28466482).

The spelling of 13251251 in words is "thirteen million, two hundred fifty-one thousand, two hundred fifty-one".