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13001214 = 233169899
BaseRepresentation
bin110001100110…
…000111111110
3220110112022110
4301212013332
511312014324
61142354450
7215336262
oct61460776
926415273
1013001214
117380006
12442ba26
132902935
141a260a2
15121c329
hexc661fe

13001214 has 16 divisors (see below), whose sum is σ = 26841600. Its totient is φ = 4193880.

The previous prime is 13001213. The next prime is 13001237. The reversal of 13001214 is 41210031.

It is a happy number.

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 13001214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001213) 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, 34764 + ... + 35135.

It is an arithmetic number, because the mean of its divisors is an integer number (1677600).

Almost surely, 213001214 is an apocalyptic number.

13001214 is an abundant number, since it is smaller than the sum of its proper divisors (13840386).

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

13001214 is a wasteful number, since it uses less digits than its factorization.

13001214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69935.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13001214 is about 3605.7196230434. The cubic root of 13001214 is about 235.1407878271.

Adding to 13001214 its reverse (41210031), we get a palindrome (54211245).

The spelling of 13001214 in words is "thirteen million, one thousand, two hundred fourteen".

Divisors: 1 2 3 6 31 62 93 186 69899 139798 209697 419394 2166869 4333738 6500607 13001214