Search a number
-
+
13974937 = 1937103193
BaseRepresentation
bin110101010011…
…110110011001
3222022000000021
4311103312121
512034144222
61215310441
7226533154
oct65236631
928260007
1013974937
117985639
12481b421
132b83bc2
141bdac9b
151360ac7
hexd53d99

13974937 has 16 divisors (see below), whose sum is σ = 15333760. Its totient is φ = 12690432.

The previous prime is 13974929. The next prime is 13974941. The reversal of 13974937 is 73947931.

It is a cyclic number.

It is not a de Polignac number, because 13974937 - 23 = 13974929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13974893 and 13974902.

It is not an unprimeable number, because it can be changed into a prime (13974967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72313 + ... + 72505.

It is an arithmetic number, because the mean of its divisors is an integer number (958360).

Almost surely, 213974937 is an apocalyptic number.

It is an amenable number.

13974937 is a deficient number, since it is larger than the sum of its proper divisors (1358823).

13974937 is a wasteful number, since it uses less digits than its factorization.

13974937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its digits is 142884, while the sum is 43.

The square root of 13974937 is about 3738.3067022383. The cubic root of 13974937 is about 240.8703181374.

It can be divided in two parts, 139 and 74937, that added together give a square (75076 = 2742).

The spelling of 13974937 in words is "thirteen million, nine hundred seventy-four thousand, nine hundred thirty-seven".

Divisors: 1 19 37 103 193 703 1957 3667 3811 7141 19879 72409 135679 377701 735523 13974937