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13248193 = 71892599
BaseRepresentation
bin110010100010…
…011011000001
3220221002002211
4302202123001
511342420233
61151542121
7220415320
oct62423301
926832084
1013248193
117529622
12452a941
13298b18a
141a8c0b7
15126a5cd
hexca26c1

13248193 has 4 divisors (see below), whose sum is σ = 15140800. Its totient is φ = 11355588.

The previous prime is 13248181. The next prime is 13248197. The reversal of 13248193 is 39184231.

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: 39184231 = 365910709.

It is a cyclic number.

It is not a de Polignac number, because 13248193 - 217 = 13117121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13248197) 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, 946293 + ... + 946306.

It is an arithmetic number, because the mean of its divisors is an integer number (3785200).

Almost surely, 213248193 is an apocalyptic number.

It is an amenable number.

13248193 is a deficient number, since it is larger than the sum of its proper divisors (1892607).

13248193 is an equidigital number, since it uses as much as digits as its factorization.

13248193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892606.

The product of its digits is 5184, while the sum is 31.

The square root of 13248193 is about 3639.8067256381. The cubic root of 13248193 is about 236.6204170243.

The spelling of 13248193 in words is "thirteen million, two hundred forty-eight thousand, one hundred ninety-three".

Divisors: 1 7 1892599 13248193