13283257 has 8 divisors (see below), whose sum is σ = 14409920. Its totient is φ = 12171600.

The previous prime is 13283243. The next prime is 13283267. The reversal of 13283257 is 75238231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13283257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13283227) 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, 1869 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (1801240).

Almost surely, 2^13283257 is an apocalyptic number.

It is an amenable number.

13283257 is a deficient number, since it is larger than the sum of its proper divisors (1126663).

13283257 is a wasteful number, since it uses less digits than its factorization.

13283257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503.

The product of its digits is 10080, while the sum is 31.

The square root of 13283257 is about 3644.6202820047. The cubic root of 13283257 is about 236.8289875888.

The spelling of 13283257 in words is "thirteen million, two hundred eighty-three thousand, two hundred fifty-seven".