13562489 has 4 divisors (see below), whose sum is σ = 13601700. Its totient is φ = 13523280.

The previous prime is 13562477. The next prime is 13562509. The reversal of 13562489 is 98426531.

It is a happy number.

13562489 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 an emirpimes, since its reverse is a distinct semiprime: 98426531 = 7 ⋅14060933.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 2560000 = 3317^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 13562489 - 2⁴ = 13562473 is a prime.

It is a super-2 number, since 2×13562489² = 367882215750242, which contains 22 as substring.

It is a deceptive number, since it divides R_13562488.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13562429) 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, 19082 + ... + 19779.

It is an arithmetic number, because the mean of its divisors is an integer number (3400425).

Almost surely, 2^13562489 is an apocalyptic number.

It is an amenable number.

13562489 is a deficient number, since it is larger than the sum of its proper divisors (39211).

13562489 is an equidigital number, since it uses as much as digits as its factorization.

13562489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39210.

The product of its digits is 51840, while the sum is 38.

The square root of 13562489 is about 3682.7284722064. The cubic root of 13562489 is about 238.4769816648.

The spelling of 13562489 in words is "thirteen million, five hundred sixty-two thousand, four hundred eighty-nine".