Search a number
-
+
13894212 = 2231157851
BaseRepresentation
bin110101000000…
…001001000100
3222010220021110
4311000021010
512024103322
61213445020
7226045623
oct65001104
928126243
1013894212
11792aa22
1247a0770
132b56237
141bb96ba
151346c0c
hexd40244

13894212 has 12 divisors (see below), whose sum is σ = 32419856. Its totient is φ = 4631400.

The previous prime is 13894211. The next prime is 13894217. The reversal of 13894212 is 21249831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13894212.

It is not an unprimeable number, because it can be changed into a prime (13894211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578914 + ... + 578937.

Almost surely, 213894212 is an apocalyptic number.

13894212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13894212 is an abundant number, since it is smaller than the sum of its proper divisors (18525644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13894212 is a wasteful number, since it uses less digits than its factorization.

13894212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157858 (or 1157856 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 13894212 is about 3727.4940643816. The cubic root of 13894212 is about 240.4056334810.

The spelling of 13894212 in words is "thirteen million, eight hundred ninety-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1157851 2315702 3473553 4631404 6947106 13894212