Search a number
-
+
13321355 = 52664271
BaseRepresentation
bin110010110100…
…010010001011
3221001210110112
4302310102023
511402240410
61153304535
7221141525
oct62642213
927053415
1013321355
117579593
12456514b
1329b5578
141aaaa15
151282105
hexcb448b

13321355 has 4 divisors (see below), whose sum is σ = 15985632. Its totient is φ = 10657080.

The previous prime is 13321349. The next prime is 13321361. The reversal of 13321355 is 55312331.

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

It is an interprime number because it is at equal distance from previous prime (13321349) and next prime (13321361).

It is not a de Polignac number, because 13321355 - 24 = 13321339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13321355.

It is an unprimeable number.

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, 1332131 + ... + 1332140.

It is an arithmetic number, because the mean of its divisors is an integer number (3996408).

Almost surely, 213321355 is an apocalyptic number.

13321355 is a deficient number, since it is larger than the sum of its proper divisors (2664277).

13321355 is an equidigital number, since it uses as much as digits as its factorization.

13321355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664276.

The product of its digits is 1350, while the sum is 23.

The square root of 13321355 is about 3649.8431473147. The cubic root of 13321355 is about 237.0551896016.

Adding to 13321355 its reverse (55312331), we get a palindrome (68633686).

The spelling of 13321355 in words is "thirteen million, three hundred twenty-one thousand, three hundred fifty-five".

Divisors: 1 5 2664271 13321355