13643677 has 8 divisors (see below), whose sum is σ = 14069376. Its totient is φ = 13223712.

The previous prime is 13643633. The next prime is 13643683. The reversal of 13643677 is 77634631.

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 13643677 - 2⁷ = 13643549 is a prime.

It is a super-2 number, since 2×13643677² = 372299844160658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13643177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (1758672).

Almost surely, 2^13643677 is an apocalyptic number.

It is an amenable number.

13643677 is a deficient number, since it is larger than the sum of its proper divisors (425699).

13643677 is a wasteful number, since it uses less digits than its factorization.

13643677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its digits is 63504, while the sum is 37.

The square root of 13643677 is about 3693.7348307641. The cubic root of 13643677 is about 238.9518935874.

It can be divided in two parts, 1364 and 3677, that added together give a square (5041 = 71²).

The spelling of 13643677 in words is "thirteen million, six hundred forty-three thousand, six hundred seventy-seven".