1366504 has 8 divisors (see below), whose sum is σ = 2562210. Its totient is φ = 683248.

The previous prime is 1366493. The next prime is 1366507. The reversal of 1366504 is 4056631.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 152100 = 1102^2 + 390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1366507) 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 as a sum of consecutive naturals, namely, 85399 + ... + 85414.

2^1366504 is an apocalyptic number.

It is an amenable number.

1366504 is a deficient number, since it is larger than the sum of its proper divisors (1195706).

1366504 is a wasteful number, since it uses less digits than its factorization.

1366504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170819 (or 170815 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1366504 is about 1168.9756199340. The cubic root of 1366504 is about 110.9695016716.

The spelling of 1366504 in words is "one million, three hundred sixty-six thousand, five hundred four".