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13283101 = 131021777
BaseRepresentation
bin110010101010…
…111100011101
3220222211222201
4302222330131
511400024401
61152411501
7220622146
oct62527435
926884881
1013283101
117552877
124546b91
1329a1030
141a9aacd
151275b01
hexcaaf1d

13283101 has 4 divisors (see below), whose sum is σ = 14304892. Its totient is φ = 12261312.

The previous prime is 13283077. The next prime is 13283107. The reversal of 13283101 is 10138231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 12425625 = 926^2 + 3525^2 .

It is a cyclic number.

It is not a de Polignac number, because 13283101 - 211 = 13281053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13283107) 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, 510876 + ... + 510901.

It is an arithmetic number, because the mean of its divisors is an integer number (3576223).

Almost surely, 213283101 is an apocalyptic number.

It is an amenable number.

13283101 is a deficient number, since it is larger than the sum of its proper divisors (1021791).

13283101 is a wasteful number, since it uses less digits than its factorization.

13283101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021790.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13283101 is about 3644.5988805354. The cubic root of 13283101 is about 236.8280604702.

The spelling of 13283101 in words is "thirteen million, two hundred eighty-three thousand, one hundred one".

Divisors: 1 13 1021777 13283101