13394489 has 4 divisors (see below), whose sum is σ = 13403520. Its totient is φ = 13385460.

The previous prime is 13394477. The next prime is 13394497. The reversal of 13394489 is 98449331.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98449331 = 67 ⋅1469393.

It is a cyclic number.

It is not a de Polignac number, because 13394489 - 2⁴ = 13394473 is a prime.

It is a super-2 number, since 2×13394489² = 358824671142242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13394089) 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, 1709 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (3350880).

Almost surely, 2^13394489 is an apocalyptic number.

It is an amenable number.

13394489 is a deficient number, since it is larger than the sum of its proper divisors (9031).

13394489 is an equidigital number, since it uses as much as digits as its factorization.

13394489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030.

The product of its digits is 93312, while the sum is 41.

The square root of 13394489 is about 3659.8482208966. The cubic root of 13394489 is about 237.4882077248.

The spelling of 13394489 in words is "thirteen million, three hundred ninety-four thousand, four hundred eighty-nine".