12770632 has 32 divisors (see below), whose sum is σ = 27659520. Its totient is φ = 5414400.

The previous prime is 12770599. The next prime is 12770651. The reversal of 12770632 is 23607721.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12770632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4257 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (864360).

Almost surely, 2^12770632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12770632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13829760).

12770632 is an abundant number, since it is smaller than the sum of its proper divisors (14888888).

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

12770632 is a wasteful number, since it uses less digits than its factorization.

12770632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12770632 is about 3573.6021043200. The cubic root of 12770632 is about 233.7423809083.

The spelling of 12770632 in words is "twelve million, seven hundred seventy thousand, six hundred thirty-two".