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13295939 = 33140169
BaseRepresentation
bin110010101110…
…000101000011
3221000111121012
4302232011003
511400432224
61152551135
7221004446
oct62560503
927014535
1013295939
117561488
1245524ab
1329a6b27
141aa165d
15127980e
hexcae143

13295939 has 4 divisors (see below), whose sum is σ = 13336440. Its totient is φ = 13255440.

The previous prime is 13295911. The next prime is 13295981. The reversal of 13295939 is 93959231.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13295939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13295896 and 13295905.

It is not an unprimeable number, because it can be changed into a prime (13295239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19754 + ... + 20415.

It is an arithmetic number, because the mean of its divisors is an integer number (3334110).

Almost surely, 213295939 is an apocalyptic number.

13295939 is a deficient number, since it is larger than the sum of its proper divisors (40501).

13295939 is an equidigital number, since it uses as much as digits as its factorization.

13295939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40500.

The product of its digits is 65610, while the sum is 41.

The square root of 13295939 is about 3646.3596915280. The cubic root of 13295939 is about 236.9043333139.

The spelling of 13295939 in words is "thirteen million, two hundred ninety-five thousand, nine hundred thirty-nine".

Divisors: 1 331 40169 13295939