13649676 has 48 divisors (see below), whose sum is σ = 33855360. Its totient is φ = 4268160.

The previous prime is 13649651. The next prime is 13649677. The reversal of 13649676 is 67694631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29640 + ... + 30096.

It is an arithmetic number, because the mean of its divisors is an integer number (705320).

Almost surely, 2^13649676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13649676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16927680).

13649676 is an abundant number, since it is smaller than the sum of its proper divisors (20205684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13649676 is a wasteful number, since it uses less digits than its factorization.

13649676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 612 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 13649676 is about 3694.5467922331. The cubic root of 13649676 is about 238.9869101098.

The spelling of 13649676 in words is "thirteen million, six hundred forty-nine thousand, six hundred seventy-six".