1367681 has 8 divisors (see below), whose sum is σ = 1589184. Its totient is φ = 1152720.

The previous prime is 1367647. The next prime is 1367687. The reversal of 1367681 is 1867631.

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 1367681 - 2⁶ = 1367617 is a prime.

It is a super-2 number, since 2×1367681² = 3741102635522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1367687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (198648).

2^1367681 is an apocalyptic number.

It is an amenable number.

1367681 is a deficient number, since it is larger than the sum of its proper divisors (221503).

1367681 is an equidigital number, since it uses as much as digits as its factorization.

1367681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271.

The product of its digits is 6048, while the sum is 32.

The square root of 1367681 is about 1169.4789438036. The cubic root of 1367681 is about 111.0013526876.

It can be divided in two parts, 1367 and 681, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1367681 in words is "one million, three hundred sixty-seven thousand, six hundred eighty-one".