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13913037 = 324335951
BaseRepresentation
bin110101000100…
…101111001101
3222011212002200
4311010233031
512030204122
61214112113
7226154535
oct65045715
928155080
1013913037
117943086
1247ab639
132b61988
141bc24c5
15134c5ac
hexd44bcd

13913037 has 12 divisors (see below), whose sum is σ = 20564544. Its totient is φ = 9059400.

The previous prime is 13912993. The next prime is 13913051. The reversal of 13913037 is 73031931.

It is not a de Polignac number, because 13913037 - 27 = 13912909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13913037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913077) 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 11 ways as a sum of consecutive naturals, for example, 17589 + ... + 18362.

It is an arithmetic number, because the mean of its divisors is an integer number (1713712).

Almost surely, 213913037 is an apocalyptic number.

It is an amenable number.

13913037 is a deficient number, since it is larger than the sum of its proper divisors (6651507).

13913037 is a wasteful number, since it uses less digits than its factorization.

13913037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36000 (or 35997 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13913037 is about 3730.0183645661. The cubic root of 13913037 is about 240.5141581360.

Adding to 13913037 its reverse (73031931), we get a palindrome (86944968).

The spelling of 13913037 in words is "thirteen million, nine hundred thirteen thousand, thirty-seven".

Divisors: 1 3 9 43 129 387 35951 107853 323559 1545893 4637679 13913037