13280408 has 32 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 6454560.

The previous prime is 13280401. The next prime is 13280413. The reversal of 13280408 is 80408231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280401) 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, 58391 + ... + 58617.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^13280408 is an apocalyptic number.

It is an amenable number.

13280408 is a deficient number, since it is larger than the sum of its proper divisors (12328552).

13280408 is a wasteful number, since it uses less digits than its factorization.

13280408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 13280408 is about 3644.2294110004. The cubic root of 13280408 is about 236.8120546426.

Adding to 13280408 its reverse (80408231), we get a palindrome (93688639).

The spelling of 13280408 in words is "thirteen million, two hundred eighty thousand, four hundred eight".