Search a number
-
+
13678916 = 2212726927
BaseRepresentation
bin110100001011…
…100101000100
3221201221221112
4310023211010
512000211131
61205104152
7224161136
oct64134504
927657845
1013678916
1177a3199
1246b8058
132aac244
141b61056
15130302b
hexd0b944

13678916 has 12 divisors (see below), whose sum is σ = 24127488. Its totient is φ = 6785352.

The previous prime is 13678909. The next prime is 13678933. The reversal of 13678916 is 61987631.

It is a super-2 number, since 2×136789162 = 374225485870112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12956 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (2010624).

Almost surely, 213678916 is an apocalyptic number.

It is an amenable number.

13678916 is a deficient number, since it is larger than the sum of its proper divisors (10448572).

13678916 is a wasteful number, since it uses less digits than its factorization.

13678916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27058 (or 27056 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 13678916 is about 3698.5018588612. The cubic root of 13678916 is about 239.1574390258.

The spelling of 13678916 in words is "thirteen million, six hundred seventy-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 127 254 508 26927 53854 107708 3419729 6839458 13678916