13304457 has 6 divisors (see below), whose sum is σ = 19217562. Its totient is φ = 8869632.

The previous prime is 13304453. The next prime is 13304461. The reversal of 13304457 is 75440331.

It is an interprime number because it is at equal distance from previous prime (13304453) and next prime (13304461).

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 4447881 = 2976^2 + 2109^2 .

It is not a de Polignac number, because 13304457 - 2² = 13304453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13304457.

It is not an unprimeable number, because it can be changed into a prime (13304453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739128 + ... + 739145.

It is an arithmetic number, because the mean of its divisors is an integer number (3202927).

Almost surely, 2^13304457 is an apocalyptic number.

It is an amenable number.

13304457 is a deficient number, since it is larger than the sum of its proper divisors (5913105).

13304457 is a wasteful number, since it uses less digits than its factorization.

13304457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478279 (or 1478276 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 13304457 is about 3647.5275187447. The cubic root of 13304457 is about 236.9549131772.

Adding to 13304457 its reverse (75440331), we get a palindrome (88744788).

The spelling of 13304457 in words is "thirteen million, three hundred four thousand, four hundred fifty-seven".