Base | Representation |
---|---|
bin | 110000010000… |
… | …101111100100 |
3 | 212210202120210 |
4 | 300100233210 |
5 | 11214321432 |
6 | 1131055420 |
7 | 212351550 |
oct | 60205744 |
9 | 25722523 |
10 | 12651492 |
11 | 7161287 |
12 | 42a1570 |
13 | 280c6b9 |
14 | 1974860 |
15 | 119d8cc |
hex | c10be4 |
12651492 has 48 divisors (see below), whose sum is σ = 35517440. Its totient is φ = 3424032.
The previous prime is 12651491. The next prime is 12651517. The reversal of 12651492 is 29415621.
It is not an unprimeable number, because it can be changed into a prime (12651491) 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, 2368 + ... + 5559.
Almost surely, 212651492 is an apocalyptic number.
12651492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12651492 is an abundant number, since it is smaller than the sum of its proper divisors (22865948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12651492 is a wasteful number, since it uses less digits than its factorization.
12651492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7960 (or 7958 counting only the distinct ones).
The product of its digits is 4320, while the sum is 30.
The square root of 12651492 is about 3556.8935885123. The cubic root of 12651492 is about 233.0132309039.
The spelling of 12651492 in words is "twelve million, six hundred fifty-one thousand, four hundred ninety-two".
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