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13412214 = 2321939217
BaseRepresentation
bin110011001010…
…011101110110
3221020102002200
4303022131312
511413142324
61155245330
7222000444
oct63123566
927212080
1013412214
117630882
1245a9846
132a17a2a
141ad1b94
15129dec9
hexcca776

13412214 has 24 divisors (see below), whose sum is σ = 30590040. Its totient is φ = 4235328.

The previous prime is 13412177. The next prime is 13412221. The reversal of 13412214 is 41221431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19267 + ... + 19950.

It is an arithmetic number, because the mean of its divisors is an integer number (1274585).

Almost surely, 213412214 is an apocalyptic number.

13412214 is an abundant number, since it is smaller than the sum of its proper divisors (17177826).

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

13412214 is a wasteful number, since it uses less digits than its factorization.

13412214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39244 (or 39241 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 13412214 is about 3662.2689688225. The cubic root of 13412214 is about 237.5929180286.

Adding to 13412214 its reverse (41221431), we get a palindrome (54633645).

The spelling of 13412214 in words is "thirteen million, four hundred twelve thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 39217 78434 117651 235302 352953 705906 745123 1490246 2235369 4470738 6706107 13412214