Search a number
-
+
13355173 = 131027321
BaseRepresentation
bin110010111100…
…100010100101
3221010111212001
4302330202211
511404331143
61154125301
7221342236
oct62744245
927114761
1013355173
1175a1a37
124580831
1329c7a90
141ab908d
15128c14d
hexcbc8a5

13355173 has 4 divisors (see below), whose sum is σ = 14382508. Its totient is φ = 12327840.

The previous prime is 13355161. The next prime is 13355197. The reversal of 13355173 is 37155331.

13355173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3508129 + 9847044 = 1873^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 13355173 - 29 = 13354661 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 (13355123) 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, 513648 + ... + 513673.

It is an arithmetic number, because the mean of its divisors is an integer number (3595627).

Almost surely, 213355173 is an apocalyptic number.

13355173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13355173 is a deficient number, since it is larger than the sum of its proper divisors (1027335).

13355173 is a wasteful number, since it uses less digits than its factorization.

13355173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027334.

The product of its digits is 4725, while the sum is 28.

The square root of 13355173 is about 3654.4730126244. The cubic root of 13355173 is about 237.2556186149.

The spelling of 13355173 in words is "thirteen million, three hundred fifty-five thousand, one hundred seventy-three".

Divisors: 1 13 1027321 13355173