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13039307 = 100912923
BaseRepresentation
bin110001101111…
…011011001011
3220112110120022
4301233123023
511314224212
61143251055
7215555321
oct61573313
926473508
1013039307
1173a6696
124449a8b
132917088
141a35d11
151228772
hexc6f6cb

13039307 has 4 divisors (see below), whose sum is σ = 13053240. Its totient is φ = 13025376.

The previous prime is 13039291. The next prime is 13039331. The reversal of 13039307 is 70393031.

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 13039307 - 24 = 13039291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030307) 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, 5453 + ... + 7470.

It is an arithmetic number, because the mean of its divisors is an integer number (3263310).

Almost surely, 213039307 is an apocalyptic number.

13039307 is a deficient number, since it is larger than the sum of its proper divisors (13933).

13039307 is a wasteful number, since it uses less digits than its factorization.

13039307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 13039307 is about 3610.9980614783. The cubic root of 13039307 is about 235.3702147138.

The spelling of 13039307 in words is "thirteen million, thirty-nine thousand, three hundred seven".

Divisors: 1 1009 12923 13039307