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13020001 = 234113807
BaseRepresentation
bin110001101010…
…101101100001
3220111111002021
4301222231201
511313120001
61143021441
7215445121
oct61525541
926444067
1013020001
117393135
12443a881
13290b357
141a2cc81
151222ba1
hexc6ab61

13020001 has 8 divisors (see below), whose sum is σ = 13918464. Its totient is φ = 12149280.

The previous prime is 13019999. The next prime is 13020017. The reversal of 13020001 is 10002031.

13020001 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 13020001 - 21 = 13019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020071) 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, 5961 + ... + 7846.

It is an arithmetic number, because the mean of its divisors is an integer number (1739808).

Almost surely, 213020001 is an apocalyptic number.

It is an amenable number.

13020001 is a deficient number, since it is larger than the sum of its proper divisors (898463).

13020001 is a wasteful number, since it uses less digits than its factorization.

13020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 13020001 is about 3608.3238491022. The cubic root of 13020001 is about 235.2539942773.

Adding to 13020001 its reverse (10002031), we get a palindrome (23022032).

The spelling of 13020001 in words is "thirteen million, twenty thousand, one".

Divisors: 1 23 41 943 13807 317561 566087 13020001