12772736 has 16 divisors (see below), whose sum is σ = 25445940. Its totient is φ = 6386304.

The previous prime is 12772717. The next prime is 12772757. The reversal of 12772736 is 63727721.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 12772696 and 12772705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49766 + ... + 50021.

Almost surely, 2^12772736 is an apocalyptic number.

12772736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12772736 is a deficient number, since it is larger than the sum of its proper divisors (12673204).

12772736 is an frugal number, since it uses more digits than its factorization.

12772736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99801 (or 99789 counting only the distinct ones).

The product of its digits is 24696, while the sum is 35.

The square root of 12772736 is about 3573.8964730389. The cubic root of 12772736 is about 233.7552167900.

The spelling of 12772736 in words is "twelve million, seven hundred seventy-two thousand, seven hundred thirty-six".