13736489 has 6 divisors (see below), whose sum is σ = 14874606. Its totient is φ = 12679680.

The previous prime is 13736473. The next prime is 13736491. The reversal of 13736489 is 98463731.

It can be written as a sum of positive squares in 3 ways, for example, as 1254400 + 12482089 = 1120^2 + 3533^2 .

It is not a de Polignac number, because 13736489 - 2⁴ = 13736473 is a prime.

It is a super-2 number, since 2×13736489² = 377382260094242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13736089) 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 5 ways as a sum of consecutive naturals, for example, 40472 + ... + 40809.

It is an arithmetic number, because the mean of its divisors is an integer number (2479101).

Almost surely, 2^13736489 is an apocalyptic number.

It is an amenable number.

13736489 is a deficient number, since it is larger than the sum of its proper divisors (1138117).

13736489 is an equidigital number, since it uses as much as digits as its factorization.

13736489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81307 (or 81294 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 13736489 is about 3706.2769729204. The cubic root of 13736489 is about 239.4924981996.

The spelling of 13736489 in words is "thirteen million, seven hundred thirty-six thousand, four hundred eighty-nine".