[go: up one dir, main page]

Search a number
-
+
12460661 is a prime number
BaseRepresentation
bin101111100010…
…001001110101
3212110001210222
4233202021311
511142220121
61123024125
7210625313
oct57421165
925401728
1012460661
117040974
12420b045
132773895
1419250b3
1511620ab
hexbe2275

12460661 has 2 divisors, whose sum is σ = 12460662. Its totient is φ = 12460660.

The previous prime is 12460621. The next prime is 12460681. The reversal of 12460661 is 16606421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 688900 = 3431^2 + 830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12460661 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12460661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12460621) 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 as a sum of consecutive naturals, namely, 6230330 + 6230331.

It is an arithmetic number, because the mean of its divisors is an integer number (6230331).

Almost surely, 212460661 is an apocalyptic number.

It is an amenable number.

12460661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12460661 is an equidigital number, since it uses as much as digits as its factorization.

12460661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12460661 is about 3529.9661471465. The cubic root of 12460661 is about 231.8357252157.

Subtracting 12460661 from its reverse (16606421), we obtain a triangular number (4145760 = T2879).

The spelling of 12460661 in words is "twelve million, four hundred sixty thousand, six hundred sixty-one".