Search a number
-
+
13370817 = 34456939
BaseRepresentation
bin110011000000…
…010111000001
3221011022022110
4303000113001
511410331232
61154325533
7221435655
oct63002701
927138273
1013370817
117602769
1245898a9
132a01c35
141ac0a65
151291acc
hexcc05c1

13370817 has 4 divisors (see below), whose sum is σ = 17827760. Its totient is φ = 8913876.

The previous prime is 13370809. The next prime is 13370831. The reversal of 13370817 is 71807331.

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 an emirpimes, since its reverse is a distinct semiprime: 71807331 = 323935777.

It is not a de Polignac number, because 13370817 - 23 = 13370809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13370867) 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, 2228467 + ... + 2228472.

It is an arithmetic number, because the mean of its divisors is an integer number (4456940).

Almost surely, 213370817 is an apocalyptic number.

It is an amenable number.

13370817 is a deficient number, since it is larger than the sum of its proper divisors (4456943).

13370817 is an equidigital number, since it uses as much as digits as its factorization.

13370817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456942.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 13370817 is about 3656.6127768742. The cubic root of 13370817 is about 237.3482213987.

The spelling of 13370817 in words is "thirteen million, three hundred seventy thousand, eight hundred seventeen".

Divisors: 1 3 4456939 13370817