1366802 has 4 divisors (see below), whose sum is σ = 2050206. Its totient is φ = 683400.

The previous prime is 1366801. The next prime is 1366829. The reversal of 1366802 is 2086631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2086631 = 17 ⋅122743.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 241081 = 1061^2 + 491^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1366801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341699 + ... + 341702.

2^1366802 is an apocalyptic number.

1366802 is a deficient number, since it is larger than the sum of its proper divisors (683404).

1366802 is an equidigital number, since it uses as much as digits as its factorization.

1366802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683403.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1366802 is about 1169.1030750109. The cubic root of 1366802 is about 110.9775676336.

The spelling of 1366802 in words is "one million, three hundred sixty-six thousand, eight hundred two".