13277992 has 96 divisors (see below), whose sum is σ = 32676480. Its totient is φ = 4942080.

The previous prime is 13277987. The next prime is 13278011. The reversal of 13277992 is 29977231.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 217642 + ... + 217702.

It is an arithmetic number, because the mean of its divisors is an integer number (340380).

Almost surely, 2^13277992 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 13277992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16338240).

13277992 is an abundant number, since it is smaller than the sum of its proper divisors (19398488).

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

13277992 is a wasteful number, since it uses less digits than its factorization.

13277992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 106 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 13277992 is about 3643.8979129498. The cubic root of 13277992 is about 236.7976933212.

The spelling of 13277992 in words is "thirteen million, two hundred seventy-seven thousand, nine hundred ninety-two".