Search a number
-
+
13424497 = 25435279
BaseRepresentation
bin110011001101…
…011101110001
3221021000221121
4303031131301
511414040442
61155422241
7222051322
oct63153561
927230847
1013424497
11763a029
1245b4981
132a204b8
141ad6449
1512a2967
hexccd771

13424497 has 4 divisors (see below), whose sum is σ = 13432320. Its totient is φ = 13416676.

The previous prime is 13424491. The next prime is 13424539. The reversal of 13424497 is 79442431.

It is a happy number.

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: 79442431 = 593133967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13424497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424491) 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, 97 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (3358080).

Almost surely, 213424497 is an apocalyptic number.

It is an amenable number.

13424497 is a deficient number, since it is larger than the sum of its proper divisors (7823).

13424497 is an equidigital number, since it uses as much as digits as its factorization.

13424497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822.

The product of its digits is 24192, while the sum is 34.

The square root of 13424497 is about 3663.9455509055. The cubic root of 13424497 is about 237.6654256544.

The spelling of 13424497 in words is "thirteen million, four hundred twenty-four thousand, four hundred ninety-seven".

Divisors: 1 2543 5279 13424497