Search a number
-
+
12943398 = 2313165941
BaseRepresentation
bin110001011000…
…000000100110
3220100121000010
4301120000212
511303142043
61141231050
7215005566
oct61300046
926317003
1012943398
117340626
124402486
1328b2520
141a0cda6
15120a133
hexc58026

12943398 has 16 divisors (see below), whose sum is σ = 27878256. Its totient is φ = 3982560.

The previous prime is 12943397. The next prime is 12943417. The reversal of 12943398 is 89334921.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943393) 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, 82893 + ... + 83048.

It is an arithmetic number, because the mean of its divisors is an integer number (1742391).

Almost surely, 212943398 is an apocalyptic number.

12943398 is an abundant number, since it is smaller than the sum of its proper divisors (14934858).

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

12943398 is a wasteful number, since it uses less digits than its factorization.

12943398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165959.

The product of its digits is 46656, while the sum is 39.

The square root of 12943398 is about 3597.6934277395. The cubic root of 12943398 is about 234.7917152518.

The spelling of 12943398 in words is "twelve million, nine hundred forty-three thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 165941 331882 497823 995646 2157233 4314466 6471699 12943398