13677842 has 4 divisors (see below), whose sum is σ = 20516766. Its totient is φ = 6838920.

The previous prime is 13677817. The next prime is 13677883. The reversal of 13677842 is 24877631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24877631 = 19 ⋅1309349.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 201601 = 3671^2 + 449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13677796 and 13677805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419459 + ... + 3419462.

Almost surely, 2^13677842 is an apocalyptic number.

13677842 is a deficient number, since it is larger than the sum of its proper divisors (6838924).

13677842 is an equidigital number, since it uses as much as digits as its factorization.

13677842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838923.

The product of its digits is 56448, while the sum is 38.

The square root of 13677842 is about 3698.3566620866. The cubic root of 13677842 is about 239.1511797138.

The spelling of 13677842 in words is "thirteen million, six hundred seventy-seven thousand, eight hundred forty-two".