13270385 has 8 divisors (see below), whose sum is σ = 15944040. Its totient is φ = 10603264.

The previous prime is 13270373. The next prime is 13270399. The reversal of 13270385 is 58307231.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 13191424 = 281^2 + 3632^2 .

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 13270385 - 2⁸ = 13270129 is a prime.

It is a super-2 number, since 2×13270385² = 352206236096450, which contains 22 as substring.

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, 6911 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (1993005).

Almost surely, 2^13270385 is an apocalyptic number.

It is an amenable number.

13270385 is a deficient number, since it is larger than the sum of its proper divisors (2673655).

13270385 is a wasteful number, since it uses less digits than its factorization.

13270385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13270385 is about 3642.8539635840. The cubic root of 13270385 is about 236.7524639884.

The spelling of 13270385 in words is "thirteen million, two hundred seventy thousand, three hundred eighty-five".