13250281 has 8 divisors (see below), whose sum is σ = 14543424. Its totient is φ = 11971920.

The previous prime is 13250273. The next prime is 13250311. The reversal of 13250281 is 18205231.

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 13250281 - 2³ = 13250273 is a prime.

It is a super-2 number, since 2×13250281² = 351139893157922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13254281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (1817928).

Almost surely, 2^13250281 is an apocalyptic number.

13250281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13250281 is a deficient number, since it is larger than the sum of its proper divisors (1293143).

13250281 is a wasteful number, since it uses less digits than its factorization.

13250281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13250281 is about 3640.0935427541. The cubic root of 13250281 is about 236.6328473353.

It can be divided in two parts, 13250 and 281, that added together give a palindrome (13531).

The spelling of 13250281 in words is "thirteen million, two hundred fifty thousand, two hundred eighty-one".