13277564 has 6 divisors (see below), whose sum is σ = 23235744. Its totient is φ = 6638780.

The previous prime is 13277557. The next prime is 13277567. The reversal of 13277564 is 46577231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13277567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659692 + ... + 1659699.

It is an arithmetic number, because the mean of its divisors is an integer number (3872624).

Almost surely, 2^13277564 is an apocalyptic number.

It is an amenable number.

13277564 is a deficient number, since it is larger than the sum of its proper divisors (9958180).

13277564 is a wasteful number, since it uses less digits than its factorization.

13277564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319395 (or 3319393 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 13277564 is about 3643.8391841573. The cubic root of 13277564 is about 236.7951489982.

The spelling of 13277564 in words is "thirteen million, two hundred seventy-seven thousand, five hundred sixty-four".