13280937 has 8 divisors (see below), whose sum is σ = 18119904. Its totient is φ = 8647968.

The previous prime is 13280933. The next prime is 13280951. The reversal of 13280937 is 73908231.

13280937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13280937 - 2² = 13280933 is a prime.

It is a super-4 number, since 4×13280937⁴ (a number of 30 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13280898 and 13280907.

It is not an unprimeable number, because it can be changed into a prime (13280933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51348 + ... + 51605.

It is an arithmetic number, because the mean of its divisors is an integer number (2264988).

Almost surely, 2^13280937 is an apocalyptic number.

It is an amenable number.

13280937 is a deficient number, since it is larger than the sum of its proper divisors (4838967).

13280937 is a wasteful number, since it uses less digits than its factorization.

13280937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102999.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13280937 is about 3644.3019907796. The cubic root of 13280937 is about 236.8151989213.

The spelling of 13280937 in words is "thirteen million, two hundred eighty thousand, nine hundred thirty-seven".