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13049007 = 34349669
BaseRepresentation
bin110001110001…
…110010101111
3220112221212120
4301301302233
511320032012
61143404023
7215625516
oct61616257
926487776
1013049007
117402a04
124453613
13291b60a
141a3967d
15122b58c
hexc71caf

13049007 has 4 divisors (see below), whose sum is σ = 17398680. Its totient is φ = 8699336.

The previous prime is 13048999. The next prime is 13049017. The reversal of 13049007 is 70094031.

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 13049007 - 23 = 13048999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13049017) 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, 2174832 + ... + 2174837.

It is an arithmetic number, because the mean of its divisors is an integer number (4349670).

Almost surely, 213049007 is an apocalyptic number.

13049007 is a deficient number, since it is larger than the sum of its proper divisors (4349673).

13049007 is an equidigital number, since it uses as much as digits as its factorization.

13049007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349672.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13049007 is about 3612.3409307539. The cubic root of 13049007 is about 235.4285645730.

The spelling of 13049007 in words is "thirteen million, forty-nine thousand, seven".

Divisors: 1 3 4349669 13049007