Search a number
-
+
12478628 = 2216319139
BaseRepresentation
bin101111100110…
…100010100100
3212110222110102
4233212202210
511143304003
61123243232
7211031561
oct57464244
925428412
1012478628
117053418
124219518
13277bb06
14192b868
151167588
hexbe68a4

12478628 has 12 divisors (see below), whose sum is σ = 21972720. Its totient is φ = 6200712.

The previous prime is 12478607. The next prime is 12478679. The reversal of 12478628 is 82687421.

12478628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12478591 and 12478600.

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, 8918 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (1831060).

Almost surely, 212478628 is an apocalyptic number.

It is an amenable number.

12478628 is a deficient number, since it is larger than the sum of its proper divisors (9494092).

12478628 is a wasteful number, since it uses less digits than its factorization.

12478628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306 (or 19304 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 12478628 is about 3532.5101556825. The cubic root of 12478628 is about 231.9470995121.

The spelling of 12478628 in words is "twelve million, four hundred seventy-eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 163 326 652 19139 38278 76556 3119657 6239314 12478628