Search a number
-
+
12684948 = 2232936451
BaseRepresentation
bin110000011000…
…111010010100
3212212110110220
4300120322110
511221404243
61131514340
7212551233
oct60307224
925773426
1012684948
117184431
1242b89b0
1328219b3
141982b1a
1511a8783
hexc18e94

12684948 has 24 divisors (see below), whose sum is σ = 30619680. Its totient is φ = 4082400.

The previous prime is 12684943. The next prime is 12684961. The reversal of 12684948 is 84948621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12684943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17878 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (1275820).

Almost surely, 212684948 is an apocalyptic number.

It is an amenable number.

12684948 is an abundant number, since it is smaller than the sum of its proper divisors (17934732).

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

12684948 is a wasteful number, since it uses less digits than its factorization.

12684948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36487 (or 36485 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 12684948 is about 3561.5934636059. The cubic root of 12684948 is about 233.2184459360.

It can be divided in two parts, 1268 and 4948, that added together give a triangular number (6216 = T111).

The spelling of 12684948 in words is "twelve million, six hundred eighty-four thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 36451 72902 109353 145804 218706 437412 1057079 2114158 3171237 4228316 6342474 12684948