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13713371 = 71959053
BaseRepresentation
bin110100010011…
…111111011011
3221210201012122
4310103333123
512002311441
61205531455
7224363450
oct64237733
927721178
1013713371
117817071
124713b8b
132ac1b29
141b6d827
15130d34b
hexd13fdb

13713371 has 4 divisors (see below), whose sum is σ = 15672432. Its totient is φ = 11754312.

The previous prime is 13713299. The next prime is 13713389. The reversal of 13713371 is 17331731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17331731 = 79219389.

It is a cyclic number.

It is not a de Polignac number, because 13713371 - 214 = 13696987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13713371.

It is not an unprimeable number, because it can be changed into a prime (13713391) 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, 979520 + ... + 979533.

It is an arithmetic number, because the mean of its divisors is an integer number (3918108).

Almost surely, 213713371 is an apocalyptic number.

13713371 is a deficient number, since it is larger than the sum of its proper divisors (1959061).

13713371 is an equidigital number, since it uses as much as digits as its factorization.

13713371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959060.

The product of its digits is 1323, while the sum is 26.

The square root of 13713371 is about 3703.1568964871. The cubic root of 13713371 is about 239.3580704372.

The spelling of 13713371 in words is "thirteen million, seven hundred thirteen thousand, three hundred seventy-one".

Divisors: 1 7 1959053 13713371