Search a number
-
+
12041857 = 233116889
BaseRepresentation
bin101101111011…
…111010000001
3211122210022201
4231323322001
511040314412
61110033201
7204232312
oct55737201
924583281
1012041857
116885253
124048801
132658079
141856609
1510cce57
hexb7be81

12041857 has 8 divisors (see below), whose sum is σ = 12971520. Its totient is φ = 11146080.

The previous prime is 12041851. The next prime is 12041893. The reversal of 12041857 is 75814021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12041857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7732 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (1621440).

Almost surely, 212041857 is an apocalyptic number.

It is an amenable number.

12041857 is a deficient number, since it is larger than the sum of its proper divisors (929663).

12041857 is a wasteful number, since it uses less digits than its factorization.

12041857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16943.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12041857 is about 3470.1378935137. The cubic root of 12041857 is about 229.2087301888.

Adding to 12041857 its reverse (75814021), we get a palindrome (87855878).

The spelling of 12041857 in words is "twelve million, forty-one thousand, eight hundred fifty-seven".

Divisors: 1 23 31 713 16889 388447 523559 12041857