13454489 has 4 divisors (see below), whose sum is σ = 14162640. Its totient is φ = 12746340.

The previous prime is 13454477. The next prime is 13454491. The reversal of 13454489 is 98445431.

13454489 is digitally balanced in base 2, 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.

It is a de Polignac number, because none of the positive numbers 2^k-13454489 is a prime.

It is a super-2 number, since 2×13454489² = 362046548502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13454449) 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, 354047 + ... + 354084.

It is an arithmetic number, because the mean of its divisors is an integer number (3540660).

Almost surely, 2^13454489 is an apocalyptic number.

13454489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13454489 is a deficient number, since it is larger than the sum of its proper divisors (708151).

13454489 is an equidigital number, since it uses as much as digits as its factorization.

13454489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708150.

The product of its digits is 69120, while the sum is 38.

The square root of 13454489 is about 3668.0361230500. The cubic root of 13454489 is about 237.8422854081.

The spelling of 13454489 in words is "thirteen million, four hundred fifty-four thousand, four hundred eighty-nine".