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13620801 = 320172251
BaseRepresentation
bin110011111101…
…011001000001
3221122000020010
4303331121001
511441331201
61203535133
7223526535
oct63753101
927560203
1013620801
117763567
12468a4a9
132a8b95c
141b47bc5
1512e0bd6
hexcfd641

13620801 has 8 divisors (see below), whose sum is σ = 18178144. Its totient is φ = 9072000.

The previous prime is 13620797. The next prime is 13620829. The reversal of 13620801 is 10802631.

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

It is not a de Polignac number, because 13620801 - 22 = 13620797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13620601) 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, 4926 + ... + 7176.

It is an arithmetic number, because the mean of its divisors is an integer number (2272268).

Almost surely, 213620801 is an apocalyptic number.

It is an amenable number.

13620801 is a deficient number, since it is larger than the sum of its proper divisors (4557343).

13620801 is a wasteful number, since it uses less digits than its factorization.

13620801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13620801 is about 3690.6369368986. The cubic root of 13620801 is about 238.8182707276.

The spelling of 13620801 in words is "thirteen million, six hundred twenty thousand, eight hundred one".

Divisors: 1 3 2017 2251 6051 6753 4540267 13620801