Search a number
-
+
12395613 = 313131541
BaseRepresentation
bin101111010010…
…010001011101
3212022202120210
4233102101131
511133124423
61121403033
7210234546
oct57222135
925282523
1012395613
116aa700a
124199479
1327500a9
1419094cd
15114cb93
hexbd245d

12395613 has 8 divisors (see below), whose sum is σ = 16654176. Its totient is φ = 8200400.

The previous prime is 12395599. The next prime is 12395641. The reversal of 12395613 is 31659321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12395613 - 26 = 12395549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15378 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (2081772).

Almost surely, 212395613 is an apocalyptic number.

It is an amenable number.

12395613 is a deficient number, since it is larger than the sum of its proper divisors (4258563).

12395613 is a wasteful number, since it uses less digits than its factorization.

12395613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31675.

The product of its digits is 4860, while the sum is 30.

The square root of 12395613 is about 3520.7404050853. The cubic root of 12395613 is about 231.4316062593.

The spelling of 12395613 in words is "twelve million, three hundred ninety-five thousand, six hundred thirteen".

Divisors: 1 3 131 393 31541 94623 4131871 12395613