Base | Representation |
---|---|
bin | 110000001001… |
… | …110001111110 |
3 | 212202022110120 |
4 | 300021301332 |
5 | 11212413344 |
6 | 1130315410 |
7 | 212202450 |
oct | 60116176 |
9 | 25668416 |
10 | 12622974 |
11 | 7141911 |
12 | 4288b66 |
13 | 27cc720 |
14 | 19682d0 |
15 | 1195219 |
hex | c09c7e |
12622974 has 64 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 3265920.
The previous prime is 12622949. The next prime is 12622979. The reversal of 12622974 is 47922621.
12622974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12622979) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33117 + ... + 33495.
It is an arithmetic number, because the mean of its divisors is an integer number (494760).
Almost surely, 212622974 is an apocalyptic number.
12622974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12622974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15832320).
12622974 is an abundant number, since it is smaller than the sum of its proper divisors (19041666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12622974 is a wasteful number, since it uses less digits than its factorization.
12622974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465.
The product of its digits is 12096, while the sum is 33.
The square root of 12622974 is about 3552.8824917241. The cubic root of 12622974 is about 232.8380191446.
The spelling of 12622974 in words is "twelve million, six hundred twenty-two thousand, nine hundred seventy-four".
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