1320682653 has 12 divisors (see below), whose sum is σ = 1908878400. Its totient is φ = 879889416.

The previous prime is 1320682633. The next prime is 1320682661. The reversal of 1320682653 is 3562860231.

It is a happy number.

It is not a de Polignac number, because 1320682653 - 2⁶ = 1320682589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320682633) 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, 32103 + ... + 60596.

It is an arithmetic number, because the mean of its divisors is an integer number (159073200).

Almost surely, 2^1320682653 is an apocalyptic number.

It is an amenable number.

1320682653 is a deficient number, since it is larger than the sum of its proper divisors (588195747).

1320682653 is a wasteful number, since it uses less digits than its factorization.

1320682653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94288 (or 94285 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1320682653 is about 36341.1977375540. The cubic root of 1320682653 is about 1097.1503798995.

It can be divided in two parts, 13206 and 82653, that added together give a palindrome (95859).

The spelling of 1320682653 in words is "one billion, three hundred twenty million, six hundred eighty-two thousand, six hundred fifty-three".