13377648 has 20 divisors (see below), whose sum is σ = 34559048. Its totient is φ = 4459200.

The previous prime is 13377643. The next prime is 13377649. The reversal of 13377648 is 84677331.

It is a super-2 number, since 2×13377648² = 357922932023808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13377643) 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, 139303 + ... + 139398.

Almost surely, 2^13377648 is an apocalyptic number.

It is an amenable number.

13377648 is an abundant number, since it is smaller than the sum of its proper divisors (21181400).

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

13377648 is a wasteful number, since it uses less digits than its factorization.

13377648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278712 (or 278706 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 13377648 is about 3657.5467187720. The cubic root of 13377648 is about 237.3886340295.

The spelling of 13377648 in words is "thirteen million, three hundred seventy-seven thousand, six hundred forty-eight".