13297977 has 48 divisors (see below), whose sum is σ = 24760320. Its totient is φ = 6674400.

The previous prime is 13297969. The next prime is 13297987. The reversal of 13297977 is 77979231.

It is not a de Polignac number, because 13297977 - 2³ = 13297969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13297937) 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 in 47 ways as a sum of consecutive naturals, for example, 21174 + ... + 21792.

It is an arithmetic number, because the mean of its divisors is an integer number (515840).

Almost surely, 2^13297977 is an apocalyptic number.

It is an amenable number.

13297977 is a deficient number, since it is larger than the sum of its proper divisors (11462343).

13297977 is a wasteful number, since it uses less digits than its factorization.

13297977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 671 counting only the distinct ones).

The product of its digits is 166698, while the sum is 45.

The square root of 13297977 is about 3646.6391376170. The cubic root of 13297977 is about 236.9164369185.

The spelling of 13297977 in words is "thirteen million, two hundred ninety-seven thousand, nine hundred seventy-seven".