1366992 has 60 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 413760.

The previous prime is 1366991. The next prime is 1366997. The reversal of 1366992 is 2996631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1153 + ... + 2015.

2^1366992 is an apocalyptic number.

1366992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089152).

1366992 is an abundant number, since it is smaller than the sum of its proper divisors (2811312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1366992 is a wasteful number, since it uses less digits than its factorization.

1366992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 879 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1366992 is about 1169.1843310616. The cubic root of 1366992 is about 110.9827097490.

The spelling of 1366992 in words is "one million, three hundred sixty-six thousand, nine hundred ninety-two".