13258405 has 8 divisors (see below), whose sum is σ = 16280352. Its totient is φ = 10359888.

The previous prime is 13258397. The next prime is 13258451. The reversal of 13258405 is 50485231.

13258405 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13258405 - 2³ = 13258397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30619 + ... + 31048.

It is an arithmetic number, because the mean of its divisors is an integer number (2035044).

Almost surely, 2^13258405 is an apocalyptic number.

It is an amenable number.

13258405 is a deficient number, since it is larger than the sum of its proper divisors (3021947).

13258405 is an equidigital number, since it uses as much as digits as its factorization.

13258405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61715.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 13258405 is about 3641.2092771496. The cubic root of 13258405 is about 236.6811988255.

It can be divided in two parts, 1325 and 8405, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 13258405 in words is "thirteen million, two hundred fifty-eight thousand, four hundred five".