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12954198 = 232393871
BaseRepresentation
bin110001011010…
…101001010110
3220101010211010
4301122221112
511304013243
61141353050
7215052225
oct61325126
926333733
1012954198
117348754
124408786
1328b740a
141a12cbc
15120d433
hexc5aa56

12954198 has 16 divisors (see below), whose sum is σ = 27035136. Its totient is φ = 4130280.

The previous prime is 12954191. The next prime is 12954199. The reversal of 12954198 is 89145921.

12954198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×129541982 = 335622491646408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12954191) 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, 46798 + ... + 47073.

It is an arithmetic number, because the mean of its divisors is an integer number (1689696).

Almost surely, 212954198 is an apocalyptic number.

12954198 is an abundant number, since it is smaller than the sum of its proper divisors (14080938).

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

12954198 is a wasteful number, since it uses less digits than its factorization.

12954198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93899.

The product of its digits is 25920, while the sum is 39.

The square root of 12954198 is about 3599.1940764566. The cubic root of 12954198 is about 234.8570006731.

The spelling of 12954198 in words is "twelve million, nine hundred fifty-four thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 23 46 69 138 93871 187742 281613 563226 2159033 4318066 6477099 12954198