Search a number
-
+
13241297 = 36073671
BaseRepresentation
bin110010100000…
…101111010001
3220220201122102
4302200233101
511342210142
61151450145
7220356236
oct62405721
926821572
1013241297
117524423
124526955
132987cb4
141a8978d
151268532
hexca0bd1

13241297 has 4 divisors (see below), whose sum is σ = 13248576. Its totient is φ = 13234020.

The previous prime is 13241273. The next prime is 13241329. The reversal of 13241297 is 79214231.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79214231 = 233444097.

It is a cyclic number.

It is not a de Polignac number, because 13241297 - 212 = 13237201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13241257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (3312144).

Almost surely, 213241297 is an apocalyptic number.

It is an amenable number.

13241297 is a deficient number, since it is larger than the sum of its proper divisors (7279).

13241297 is an equidigital number, since it uses as much as digits as its factorization.

13241297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278.

The product of its digits is 3024, while the sum is 29.

The square root of 13241297 is about 3638.8592992860. The cubic root of 13241297 is about 236.5793543778.

The spelling of 13241297 in words is "thirteen million, two hundred forty-one thousand, two hundred ninety-seven".

Divisors: 1 3607 3671 13241297