Search a number
-
+
13706377 = 119311489
BaseRepresentation
bin110100010010…
…010010001001
3221210100121121
4310102102021
512002101002
61205435241
7224334166
oct64222211
927710547
1013706377
117811893
12470bb21
132abb8a9
141b6b06d
15130b237
hexd12489

13706377 has 4 divisors (see below), whose sum is σ = 13719060. Its totient is φ = 13693696.

The previous prime is 13706359. The next prime is 13706389. The reversal of 13706377 is 77360731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4968441 + 8737936 = 2229^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 13706377 - 223 = 5317769 is a prime.

It is a super-2 number, since 2×137063772 = 375729540932258, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (13706327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4552 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (3429765).

Almost surely, 213706377 is an apocalyptic number.

It is an amenable number.

13706377 is a deficient number, since it is larger than the sum of its proper divisors (12683).

13706377 is a wasteful number, since it uses less digits than its factorization.

13706377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 13706377 is about 3702.2124466324. The cubic root of 13706377 is about 239.3173715936.

The spelling of 13706377 in words is "thirteen million, seven hundred six thousand, three hundred seventy-seven".

Divisors: 1 1193 11489 13706377