13746689 has 12 divisors (see below), whose sum is σ = 15270528. Its totient is φ = 12364440.

The previous prime is 13746653. The next prime is 13746731. The reversal of 13746689 is 98664731.

It is not a de Polignac number, because 13746689 - 2¹² = 13742593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13746619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11912 + ... + 13014.

It is an arithmetic number, because the mean of its divisors is an integer number (1272544).

Almost surely, 2^13746689 is an apocalyptic number.

It is an amenable number.

13746689 is a deficient number, since it is larger than the sum of its proper divisors (1523839).

13746689 is a wasteful number, since it uses less digits than its factorization.

13746689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1217 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 13746689 is about 3707.6527615191. The cubic root of 13746689 is about 239.5517617444.

The spelling of 13746689 in words is "thirteen million, seven hundred forty-six thousand, six hundred eighty-nine".