1321652 has 6 divisors (see below), whose sum is σ = 2312898. Its totient is φ = 660824.

The previous prime is 1321651. The next prime is 1321657. The reversal of 1321652 is 2561231.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 80656 = 1114^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165203 + ... + 165210.

It is an arithmetic number, because the mean of its divisors is an integer number (385483).

2^1321652 is an apocalyptic number.

It is an amenable number.

1321652 is a deficient number, since it is larger than the sum of its proper divisors (991246).

1321652 is a wasteful number, since it uses less digits than its factorization.

1321652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330417 (or 330415 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 1321652 is about 1149.6312452261. The cubic root of 1321652 is about 109.7418740946.

Adding to 1321652 its reverse (2561231), we get a palindrome (3882883).

The spelling of 1321652 in words is "one million, three hundred twenty-one thousand, six hundred fifty-two".