Search a number
-
+
13795213 = 29475697
BaseRepresentation
bin110100100111…
…111110001101
3221221212110211
4310213332031
512012421323
61211402421
7225154165
oct64477615
927855424
1013795213
117872603
124753411
132b20163
141b915a5
15132770d
hexd27f8d

13795213 has 4 divisors (see below), whose sum is σ = 14270940. Its totient is φ = 13319488.

The previous prime is 13795207. The next prime is 13795237. The reversal of 13795213 is 31259731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31259731 = 191645249.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 9847044 = 1987^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 13795213 - 213 = 13787021 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 (13795253) 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, 237820 + ... + 237877.

It is an arithmetic number, because the mean of its divisors is an integer number (3567735).

Almost surely, 213795213 is an apocalyptic number.

It is an amenable number.

13795213 is a deficient number, since it is larger than the sum of its proper divisors (475727).

13795213 is an equidigital number, since it uses as much as digits as its factorization.

13795213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475726.

The product of its digits is 5670, while the sum is 31.

The square root of 13795213 is about 3714.1907597753. The cubic root of 13795213 is about 239.8332927946.

The spelling of 13795213 in words is "thirteen million, seven hundred ninety-five thousand, two hundred thirteen".

Divisors: 1 29 475697 13795213