1213340632 has 32 divisors (see below), whose sum is σ = 2660486400. Its totient is φ = 507909024.

The previous prime is 1213340629. The next prime is 1213340647. The reversal of 1213340632 is 2360433121.

It is a junction number, because it is equal to n+sod(n) for n = 1213340597 and 1213340606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249532 + ... + 254347.

It is an arithmetic number, because the mean of its divisors is an integer number (83140200).

Almost surely, 2^1213340632 is an apocalyptic number.

It is an amenable number.

1213340632 is an abundant number, since it is smaller than the sum of its proper divisors (1447145768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213340632 is a wasteful number, since it uses less digits than its factorization.

1213340632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503935 (or 503931 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1213340632 is about 34833.0393735603. The cubic root of 1213340632 is about 1066.5819926710.

Adding to 1213340632 its reverse (2360433121), we get a palindrome (3573773753).

The spelling of 1213340632 in words is "one billion, two hundred thirteen million, three hundred forty thousand, six hundred thirty-two".