13277889 has 12 divisors (see below), whose sum is σ = 19798272. Its totient is φ = 8566200.

The previous prime is 13277879. The next prime is 13277899. The reversal of 13277889 is 98877231.

It is an interprime number because it is at equal distance from previous prime (13277879) and next prime (13277899).

It is not a de Polignac number, because 13277889 - 2⁸ = 13277633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13277879) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23517 + ... + 24074.

It is an arithmetic number, because the mean of its divisors is an integer number (1649856).

Almost surely, 2^13277889 is an apocalyptic number.

It is an amenable number.

13277889 is a deficient number, since it is larger than the sum of its proper divisors (6520383).

13277889 is a wasteful number, since it uses less digits than its factorization.

13277889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47628 (or 47625 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 13277889 is about 3643.8837797054. The cubic root of 13277889 is about 236.7970810242.

It can be divided in two parts, 1327 and 7889, that added together give a square (9216 = 96²).

The spelling of 13277889 in words is "thirteen million, two hundred seventy-seven thousand, eight hundred eighty-nine".