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13974727 = 1341157167
BaseRepresentation
bin110101010011…
…110011000111
3222021222201111
4311103303013
512034142402
61215305451
7226532434
oct65236307
928258644
1013974727
117985468
12481b287
132b83a90
141bdab8b
1513609d7
hexd53cc7

13974727 has 16 divisors (see below), whose sum is σ = 15607872. Its totient is φ = 12430080.

The previous prime is 13974721. The next prime is 13974739. The reversal of 13974727 is 72747931.

It is not a de Polignac number, because 13974727 - 27 = 13974599 is a prime.

It is a Duffinian number.

Its product of digits (74088) is a multiple of the sum of its prime divisors (378).

It is a self number, because there is not a number n which added to its sum of digits gives 13974727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974721) 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, 83598 + ... + 83764.

It is an arithmetic number, because the mean of its divisors is an integer number (975492).

Almost surely, 213974727 is an apocalyptic number.

13974727 is a deficient number, since it is larger than the sum of its proper divisors (1633145).

13974727 is a wasteful number, since it uses less digits than its factorization.

13974727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its digits is 74088, while the sum is 40.

The square root of 13974727 is about 3738.2786145498. The cubic root of 13974727 is about 240.8691116198.

The spelling of 13974727 in words is "thirteen million, nine hundred seventy-four thousand, seven hundred twenty-seven".

Divisors: 1 13 41 157 167 533 2041 2171 6437 6847 26219 83681 89011 340847 1074979 13974727