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13208414 = 271191487
BaseRepresentation
bin110010011000…
…101101011110
3220212001112112
4302120231132
511340132124
61151034022
7220161332
oct62305536
926761475
1013208414
11750174a
12450b912
13297603b
141a7b7c2
15125d90e
hexc98b5e

13208414 has 16 divisors (see below), whose sum is σ = 20238336. Its totient is φ = 6463800.

The previous prime is 13208413. The next prime is 13208431. The reversal of 13208414 is 41480231.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13208414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13208413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26879 + ... + 27365.

It is an arithmetic number, because the mean of its divisors is an integer number (1264896).

Almost surely, 213208414 is an apocalyptic number.

13208414 is a deficient number, since it is larger than the sum of its proper divisors (7029922).

13208414 is a wasteful number, since it uses less digits than its factorization.

13208414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 13208414 is about 3634.3381790912. The cubic root of 13208414 is about 236.3833542543.

Adding to 13208414 its reverse (41480231), we get a palindrome (54688645).

The spelling of 13208414 in words is "thirteen million, two hundred eight thousand, four hundred fourteen".

Divisors: 1 2 71 142 191 382 487 974 13561 27122 34577 69154 93017 186034 6604207 13208414