Search a number
-
+
13960631 is a prime number
BaseRepresentation
bin110101010000…
…010110110111
3222021021101102
4311100112313
512033220011
61215120315
7226443356
oct65202667
928237342
1013960631
117975913
12481309b
132b7a539
141bd599d
15135b73b
hexd505b7

13960631 has 2 divisors, whose sum is σ = 13960632. Its totient is φ = 13960630.

The previous prime is 13960627. The next prime is 13960651. The reversal of 13960631 is 13606931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13960631 - 22 = 13960627 is a prime.

It is a super-2 number, since 2×139606312 = 389798435836322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13960594 and 13960603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13960651) 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, 6980315 + 6980316.

It is an arithmetic number, because the mean of its divisors is an integer number (6980316).

Almost surely, 213960631 is an apocalyptic number.

13960631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13960631 is an equidigital number, since it uses as much as digits as its factorization.

13960631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13960631 is about 3736.3927791387. The cubic root of 13960631 is about 240.7880979150.

The spelling of 13960631 in words is "thirteen million, nine hundred sixty thousand, six hundred thirty-one".