13407489 has 6 divisors (see below), whose sum is σ = 19366386. Its totient is φ = 8938320.

The previous prime is 13407487. The next prime is 13407491. The reversal of 13407489 is 98470431.

It is a happy number.

13407489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13407487) and next prime (13407491).

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 1192464 = 3495^2 + 1092^2 .

It is not a de Polignac number, because 13407489 - 2¹ = 13407487 is a prime.

It is a super-2 number, since 2×13407489² = 359521522570242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13407481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744852 + ... + 744869.

It is an arithmetic number, because the mean of its divisors is an integer number (3227731).

Almost surely, 2^13407489 is an apocalyptic number.

It is an amenable number.

13407489 is a deficient number, since it is larger than the sum of its proper divisors (5958897).

13407489 is a wasteful number, since it uses less digits than its factorization.

13407489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489727 (or 1489724 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13407489 is about 3661.6238201104. The cubic root of 13407489 is about 237.5650141494.

The spelling of 13407489 in words is "thirteen million, four hundred seven thousand, four hundred eighty-nine".