13530297 has 8 divisors (see below), whose sum is σ = 19680480. Its totient is φ = 8200160.

The previous prime is 13530289. The next prime is 13530301. The reversal of 13530297 is 79203531.

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 13530297 - 2³ = 13530289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13530397) 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, 204972 + ... + 205037.

It is an arithmetic number, because the mean of its divisors is an integer number (2460060).

Almost surely, 2^13530297 is an apocalyptic number.

It is an amenable number.

13530297 is a deficient number, since it is larger than the sum of its proper divisors (6150183).

13530297 is a wasteful number, since it uses less digits than its factorization.

13530297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410023.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13530297 is about 3678.3552030765. The cubic root of 13530297 is about 238.2881487470.

The spelling of 13530297 in words is "thirteen million, five hundred thirty thousand, two hundred ninety-seven".