13277387 has 4 divisors (see below), whose sum is σ = 13395000. Its totient is φ = 13159776.

The previous prime is 13277351. The next prime is 13277437. The reversal of 13277387 is 78377231.

13277387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13277387 - 2¹² = 13273291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13277387.

It is not an unprimeable number, because it can be changed into a prime (13277587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58637 + ... + 58862.

It is an arithmetic number, because the mean of its divisors is an integer number (3348750).

Almost surely, 2^13277387 is an apocalyptic number.

13277387 is a deficient number, since it is larger than the sum of its proper divisors (117613).

13277387 is a wasteful number, since it uses less digits than its factorization.

13277387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117612.

The product of its digits is 49392, while the sum is 38.

The square root of 13277387 is about 3643.8148965061. The cubic root of 13277387 is about 236.7940967739.

The spelling of 13277387 in words is "thirteen million, two hundred seventy-seven thousand, three hundred eighty-seven".