13240193 has 4 divisors (see below), whose sum is σ = 13667328. Its totient is φ = 12813060.

The previous prime is 13240189. The next prime is 13240217. The reversal of 13240193 is 39104231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39104231 = 5099 ⋅7669.

It is a cyclic number.

It is not a de Polignac number, because 13240193 - 2² = 13240189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13240103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213521 + ... + 213582.

It is an arithmetic number, because the mean of its divisors is an integer number (3416832).

Almost surely, 2^13240193 is an apocalyptic number.

It is an amenable number.

13240193 is a deficient number, since it is larger than the sum of its proper divisors (427135).

13240193 is an equidigital number, since it uses as much as digits as its factorization.

13240193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427134.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13240193 is about 3638.7076002339. The cubic root of 13240193 is about 236.5727792196.

The spelling of 13240193 in words is "thirteen million, two hundred forty thousand, one hundred ninety-three".