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13250814 = 237330253
BaseRepresentation
bin110010100011…
…000011111110
3220221012200220
4302203003332
511343011224
61152002210
7220426053
oct62430376
926835626
1013250814
117530595
124530366
13298c425
141a8d02a
15126b279
hexca30fe

13250814 has 16 divisors (see below), whose sum is σ = 26865552. Its totient is φ = 4356288.

The previous prime is 13250807. The next prime is 13250819. The reversal of 13250814 is 41805231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250819) 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, 14689 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (1679097).

Almost surely, 213250814 is an apocalyptic number.

13250814 is an abundant number, since it is smaller than the sum of its proper divisors (13614738).

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

13250814 is a wasteful number, since it uses less digits than its factorization.

13250814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13250814 is about 3640.1667544221. The cubic root of 13250814 is about 236.6360201892.

The spelling of 13250814 in words is "thirteen million, two hundred fifty thousand, eight hundred fourteen".

Divisors: 1 2 3 6 73 146 219 438 30253 60506 90759 181518 2208469 4416938 6625407 13250814