13494281 has 4 divisors (see below), whose sum is σ = 13577232. Its totient is φ = 13411332.

The previous prime is 13494241. The next prime is 13494287. The reversal of 13494281 is 18249431.

It is a happy number.

13494281 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18249431 = 61 ⋅299171.

It is a cyclic number.

It is not a de Polignac number, because 13494281 - 2²² = 9299977 is a prime.

It is a super-2 number, since 2×13494281² = 364191239413922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13494287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41231 + ... + 41556.

It is an arithmetic number, because the mean of its divisors is an integer number (3394308).

Almost surely, 2^13494281 is an apocalyptic number.

It is an amenable number.

13494281 is a deficient number, since it is larger than the sum of its proper divisors (82951).

13494281 is an equidigital number, since it uses as much as digits as its factorization.

13494281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82950.

The product of its digits is 6912, while the sum is 32.

The square root of 13494281 is about 3673.4562744097. The cubic root of 13494281 is about 238.0765295402.

The spelling of 13494281 in words is "thirteen million, four hundred ninety-four thousand, two hundred eighty-one".