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13090853 = 79165707
BaseRepresentation
bin110001111100…
…000000100101
3220122002021102
4301330000211
511322401403
61144325445
7216161516
oct61740045
926562242
1013090853
117431396
124473885
132934689
141a4aa0d
151238b88
hexc7c025

13090853 has 4 divisors (see below), whose sum is σ = 13256640. Its totient is φ = 12925068.

The previous prime is 13090793. The next prime is 13090873. The reversal of 13090853 is 35809031.

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.

It is a cyclic number.

It is not a de Polignac number, because 13090853 - 214 = 13074469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090873) 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, 82775 + ... + 82932.

It is an arithmetic number, because the mean of its divisors is an integer number (3314160).

Almost surely, 213090853 is an apocalyptic number.

It is an amenable number.

13090853 is a deficient number, since it is larger than the sum of its proper divisors (165787).

13090853 is an equidigital number, since it uses as much as digits as its factorization.

13090853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165786.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13090853 is about 3618.1283835707. The cubic root of 13090853 is about 235.6799561531.

Adding to 13090853 its reverse (35809031), we get a palindrome (48899884).

The spelling of 13090853 in words is "thirteen million, ninety thousand, eight hundred fifty-three".

Divisors: 1 79 165707 13090853