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13208083 = 71886869
BaseRepresentation
bin110010011000…
…101000010011
3220212001002021
4302120220103
511340124313
61151032311
7220160350
oct62305023
926761067
1013208083
117501479
12450b697
132975b45
141a7b627
15125d78d
hexc98a13

13208083 has 4 divisors (see below), whose sum is σ = 15094960. Its totient is φ = 11321208.

The previous prime is 13208057. The next prime is 13208093. The reversal of 13208083 is 38080231.

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

It is a cyclic number.

It is not a de Polignac number, because 13208083 - 25 = 13208051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13208023) 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, 943428 + ... + 943441.

It is an arithmetic number, because the mean of its divisors is an integer number (3773740).

Almost surely, 213208083 is an apocalyptic number.

13208083 is a deficient number, since it is larger than the sum of its proper divisors (1886877).

13208083 is an equidigital number, since it uses as much as digits as its factorization.

13208083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886876.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13208083 is about 3634.2926409413. The cubic root of 13208083 is about 236.3813796659.

The spelling of 13208083 in words is "thirteen million, two hundred eight thousand, eighty-three".

Divisors: 1 7 1886869 13208083