13280993 has 4 divisors (see below), whose sum is σ = 14488368. Its totient is φ = 12073620.

The previous prime is 13280987. The next prime is 13281001. The reversal of 13280993 is 39908231.

13280993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13280993 - 2¹⁰ = 13279969 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 603671 + ... + 603692.

It is an arithmetic number, because the mean of its divisors is an integer number (3622092).

Almost surely, 2^13280993 is an apocalyptic number.

It is an amenable number.

13280993 is a deficient number, since it is larger than the sum of its proper divisors (1207375).

13280993 is a wasteful number, since it uses less digits than its factorization.

13280993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207374.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 13280993 is about 3644.3096739986. The cubic root of 13280993 is about 236.8155317702.

The spelling of 13280993 in words is "thirteen million, two hundred eighty thousand, nine hundred ninety-three".