13277216 has 12 divisors (see below), whose sum is σ = 26139582. Its totient is φ = 6638592.

The previous prime is 13277179. The next prime is 13277227. The reversal of 13277216 is 61277231.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 1690000 = 3404^2 + 1300^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207425 + ... + 207488.

Almost surely, 2^13277216 is an apocalyptic number.

13277216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13277216 is a deficient number, since it is larger than the sum of its proper divisors (12862366).

13277216 is an equidigital number, since it uses as much as digits as its factorization.

13277216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414923 (or 414915 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 13277216 is about 3643.7914320114. The cubic root of 13277216 is about 236.7930802093.

The spelling of 13277216 in words is "thirteen million, two hundred seventy-seven thousand, two hundred sixteen".