1323725 has 12 divisors (see below), whose sum is σ = 1768116. Its totient is φ = 977280.

The previous prime is 1323691. The next prime is 1323727. The reversal of 1323725 is 5273231.

It can be written as a sum of positive squares in 6 ways, for example, as 376996 + 946729 = 614^2 + 973^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1323725 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (147343).

2^1323725 is an apocalyptic number.

It is an amenable number.

1323725 is a deficient number, since it is larger than the sum of its proper divisors (444391).

1323725 is a wasteful number, since it uses less digits than its factorization.

1323725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096 (or 4091 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 1323725 is about 1150.5324854171. The cubic root of 1323725 is about 109.7992205235.

Adding to 1323725 its reverse (5273231), we get a palindrome (6596956).

It can be divided in two parts, 1323 and 725, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1323725 in words is "one million, three hundred twenty-three thousand, seven hundred twenty-five".