1320012632 has 16 divisors (see below), whose sum is σ = 2499530400. Its totient is φ = 653471200.

The previous prime is 1320012607. The next prime is 1320012641. The reversal of 1320012632 is 2362100231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816032 + ... + 817647.

It is an arithmetic number, because the mean of its divisors is an integer number (156220650).

Almost surely, 2^1320012632 is an apocalyptic number.

It is an amenable number.

1320012632 is a deficient number, since it is larger than the sum of its proper divisors (1179517768).

1320012632 is a wasteful number, since it uses less digits than its factorization.

1320012632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633786 (or 1633782 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1320012632 is about 36331.9780909325. The cubic root of 1320012632 is about 1096.9648096711.

Adding to 1320012632 its reverse (2362100231), we get a palindrome (3682112863).

The spelling of 1320012632 in words is "one billion, three hundred twenty million, twelve thousand, six hundred thirty-two".