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13284901 = 71897843
BaseRepresentation
bin110010101011…
…011000100101
3220222221110101
4302223120211
511400104101
61152424101
7220630330
oct62533045
926887411
1013284901
117554163
124548031
1329a1ab6
141a9b617
151276401
hexcab625

13284901 has 4 divisors (see below), whose sum is σ = 15182752. Its totient is φ = 11387052.

The previous prime is 13284899. The next prime is 13284911. The reversal of 13284901 is 10948231.

It is a happy number.

13284901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13284901 - 21 = 13284899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13284901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13284911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948915 + ... + 948928.

It is an arithmetic number, because the mean of its divisors is an integer number (3795688).

Almost surely, 213284901 is an apocalyptic number.

It is an amenable number.

13284901 is a deficient number, since it is larger than the sum of its proper divisors (1897851).

13284901 is an equidigital number, since it uses as much as digits as its factorization.

13284901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897850.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13284901 is about 3644.8458129254. The cubic root of 13284901 is about 236.8387575520.

The spelling of 13284901 in words is "thirteen million, two hundred eighty-four thousand, nine hundred one".

Divisors: 1 7 1897843 13284901