1373824 has 16 divisors (see below), whose sum is σ = 2737170. Its totient is φ = 686848.

The previous prime is 1373819. The next prime is 1373839. The reversal of 1373824 is 4283731.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 28224 = 1160^2 + 168^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1373792 and 1373801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5239 + ... + 5494.

2^1373824 is an apocalyptic number.

It is an amenable number.

1373824 is a deficient number, since it is larger than the sum of its proper divisors (1363346).

1373824 is an equidigital number, since it uses as much as digits as its factorization.

1373824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747 (or 10735 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 1373824 is about 1172.1023846064. The cubic root of 1373824 is about 111.1672936610.

It can be divided in two parts, 1373 and 824, that added together give a cube (2197 = 13³).

The spelling of 1373824 in words is "one million, three hundred seventy-three thousand, eight hundred twenty-four".