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13151201 = 74145823
BaseRepresentation
bin110010001010…
…101111100001
3220202011001112
4302022233201
511331314301
61145513105
7216532460
oct62125741
926664045
1013151201
117472768
1244a2795
132955c9b
141a649d7
15124b9bb
hexc8abe1

13151201 has 8 divisors (see below), whose sum is σ = 15396864. Its totient is φ = 10997280.

The previous prime is 13151197. The next prime is 13151227. The reversal of 13151201 is 10215131.

13151201 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13151201 - 22 = 13151197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13151291) 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, 22625 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (1924608).

Almost surely, 213151201 is an apocalyptic number.

It is an amenable number.

13151201 is a deficient number, since it is larger than the sum of its proper divisors (2245663).

13151201 is an equidigital number, since it uses as much as digits as its factorization.

13151201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 13151201 is about 3626.4584652247. The cubic root of 13151201 is about 236.0415576055.

Adding to 13151201 its reverse (10215131), we get a palindrome (23366332).

The spelling of 13151201 in words is "thirteen million, one hundred fifty-one thousand, two hundred one".

Divisors: 1 7 41 287 45823 320761 1878743 13151201