13032305 has 24 divisors (see below), whose sum is σ = 18523176. Its totient is φ = 8743680.

The previous prime is 13032293. The next prime is 13032317. The reversal of 13032305 is 50323031.

It is an interprime number because it is at equal distance from previous prime (13032293) and next prime (13032317).

It can be written as a sum of positive squares in 4 ways, for example, as 14641 + 13017664 = 121^2 + 3608^2 .

It is not a de Polignac number, because 13032305 - 2⁴ = 13032289 is a prime.

It is a super-2 number, since 2×13032305² = 339681947226050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7037 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (771799).

Almost surely, 2^13032305 is an apocalyptic number.

It is an amenable number.

13032305 is a deficient number, since it is larger than the sum of its proper divisors (5490871).

13032305 is a wasteful number, since it uses less digits than its factorization.

13032305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 13032305 is about 3610.0283932401. The cubic root of 13032305 is about 235.3280765508.

Adding to 13032305 its reverse (50323031), we get a palindrome (63355336).

The spelling of 13032305 in words is "thirteen million, thirty-two thousand, three hundred five".