1366233 has 16 divisors (see below), whose sum is σ = 2092800. Its totient is φ = 784080.

The previous prime is 1366213. The next prime is 1366241. The reversal of 1366233 is 3326631.

It is not a de Polignac number, because 1366233 - 2⁸ = 1365977 is a prime.

It is a super-2 number, since 2×1366233² = 3733185220578, which contains 22 as substring.

It is an Ulam number.

1366233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1366213) 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 15 ways as a sum of consecutive naturals, for example, 463 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (130800).

2^1366233 is an apocalyptic number.

It is an amenable number.

1366233 is a deficient number, since it is larger than the sum of its proper divisors (726567).

1366233 is a wasteful number, since it uses less digits than its factorization.

1366233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its digits is 1944, while the sum is 24.

The square root of 1366233 is about 1168.8597007340. The cubic root of 1366233 is about 110.9621655001.

It can be divided in two parts, 13662 and 33, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 1366233 in words is "one million, three hundred sixty-six thousand, two hundred thirty-three".