13726489 has 8 divisors (see below), whose sum is σ = 15757760. Its totient is φ = 11712816.

The previous prime is 13726481. The next prime is 13726499. The reversal of 13726489 is 98462731.

13726489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13726489 - 2³ = 13726481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13726481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (1969720).

Almost surely, 2^13726489 is an apocalyptic number.

It is an amenable number.

13726489 is a deficient number, since it is larger than the sum of its proper divisors (2031271).

13726489 is an equidigital number, since it uses as much as digits as its factorization.

13726489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its digits is 72576, while the sum is 40.

The square root of 13726489 is about 3704.9276646110. The cubic root of 13726489 is about 239.4343681982.

The spelling of 13726489 in words is "thirteen million, seven hundred twenty-six thousand, four hundred eighty-nine".