1366836 has 12 divisors (see below), whose sum is σ = 3189312. Its totient is φ = 455608.

The previous prime is 1366831. The next prime is 1366837. The reversal of 1366836 is 6386631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1366797 and 1366806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366831) 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 3 ways as a sum of consecutive naturals, for example, 56940 + ... + 56963.

It is an arithmetic number, because the mean of its divisors is an integer number (265776).

2^1366836 is an apocalyptic number.

It is an amenable number.

1366836 is an abundant number, since it is smaller than the sum of its proper divisors (1822476).

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

1366836 is a wasteful number, since it uses less digits than its factorization.

1366836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113910 (or 113908 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 1366836 is about 1169.1176159822. The cubic root of 1366836 is about 110.9784878367.

It can be divided in two parts, 13 and 66836, that multiplied together give a palindrome (868868).

The spelling of 1366836 in words is "one million, three hundred sixty-six thousand, eight hundred thirty-six".