13677632 has 14 divisors (see below), whose sum is σ = 27141678. Its totient is φ = 6838784.

The previous prime is 13677623. The next prime is 13677637. The reversal of 13677632 is 23677631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13075456 + 602176 = 3616^2 + 776^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13677592 and 13677601.

It is not an unprimeable number, because it can be changed into a prime (13677637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106793 + ... + 106920.

Almost surely, 2^13677632 is an apocalyptic number.

It is an amenable number.

13677632 is a deficient number, since it is larger than the sum of its proper divisors (13464046).

13677632 is an equidigital number, since it uses as much as digits as its factorization.

13677632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213725 (or 213715 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 13677632 is about 3698.3282709895. The cubic root of 13677632 is about 239.1499557876.

Subtracting 13677632 from its reverse (23677631), we obtain a palindrome (9999999).

The spelling of 13677632 in words is "thirteen million, six hundred seventy-seven thousand, six hundred thirty-two".