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12080613 = 316724113
BaseRepresentation
bin101110000101…
…010111100101
3211201202111010
4232011113211
511043034423
61110532433
7204453306
oct56052745
924652433
1012080613
116901386
124067119
13266c8bc
1418667ad
1510d9693
hexb855e5

12080613 has 8 divisors (see below), whose sum is σ = 16204608. Its totient is φ = 8005184.

The previous prime is 12080603. The next prime is 12080641. The reversal of 12080613 is 31608021.

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 12080613 - 24 = 12080597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12080613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080603) 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, 11556 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (2025576).

Almost surely, 212080613 is an apocalyptic number.

It is an amenable number.

12080613 is a deficient number, since it is larger than the sum of its proper divisors (4123995).

12080613 is a wasteful number, since it uses less digits than its factorization.

12080613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24283.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12080613 is about 3475.7176237433. The cubic root of 12080613 is about 229.4543650749.

Adding to 12080613 its reverse (31608021), we get a palindrome (43688634).

The spelling of 12080613 in words is "twelve million, eighty thousand, six hundred thirteen".

Divisors: 1 3 167 501 24113 72339 4026871 12080613