1366724 has 6 divisors (see below), whose sum is σ = 2391774. Its totient is φ = 683360.

The previous prime is 1366721. The next prime is 1366747. The reversal of 1366724 is 4276631.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 2500 = 1168^2 + 50^2 .

It is not an unprimeable number, because it can be changed into a prime (1366721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170837 + ... + 170844.

It is an arithmetic number, because the mean of its divisors is an integer number (398629).

2^1366724 is an apocalyptic number.

It is an amenable number.

1366724 is a deficient number, since it is larger than the sum of its proper divisors (1025050).

1366724 is a wasteful number, since it uses less digits than its factorization.

1366724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341685 (or 341683 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 1366724 is about 1169.0697156286. The cubic root of 1366724 is about 110.9754565220.

The spelling of 1366724 in words is "one million, three hundred sixty-six thousand, seven hundred twenty-four".