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12461401 is a prime number
BaseRepresentation
bin101111100010…
…010101011001
3212110002211101
4233202111121
511142231101
61123031401
7210630421
oct57422531
925402741
1012461401
117041487
12420b561
132774014
141925481
151162401
hexbe2559

12461401 has 2 divisors, whose sum is σ = 12461402. Its totient is φ = 12461400.

The previous prime is 12461389. The next prime is 12461419. The reversal of 12461401 is 10416421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 1729225 = 3276^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 12461401 - 25 = 12461369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12461461) 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, 6230700 + 6230701.

It is an arithmetic number, because the mean of its divisors is an integer number (6230701).

Almost surely, 212461401 is an apocalyptic number.

It is an amenable number.

12461401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461401 is an equidigital number, since it uses as much as digits as its factorization.

12461401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12461401 is about 3530.0709624595. The cubic root of 12461401 is about 231.8403144597.

Adding to 12461401 its reverse (10416421), we get a palindrome (22877822).

It can be divided in two parts, 1246 and 1401, that multiplied together give a triangular number (1745646 = T1868).

The spelling of 12461401 in words is "twelve million, four hundred sixty-one thousand, four hundred one".