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13072010 = 257186743
BaseRepresentation
bin110001110111…
…011010001010
3220121010102112
4301313122022
511321301020
61144102322
7216052550
oct61673212
926533375
1013072010
117419216
1244649a2
132928c23
141a43bd0
1512332c5
hexc7768a

13072010 has 16 divisors (see below), whose sum is σ = 26891136. Its totient is φ = 4481808.

The previous prime is 13072009. The next prime is 13072013. The reversal of 13072010 is 1027031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13072013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93302 + ... + 93441.

It is an arithmetic number, because the mean of its divisors is an integer number (1680696).

Almost surely, 213072010 is an apocalyptic number.

13072010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13072010 is an abundant number, since it is smaller than the sum of its proper divisors (13819126).

13072010 is a wasteful number, since it uses less digits than its factorization.

13072010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186757.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 13072010 is about 3615.5234752384. The cubic root of 13072010 is about 235.5668224540.

Adding to 13072010 its reverse (1027031), we get a palindrome (14099041).

The spelling of 13072010 in words is "thirteen million, seventy-two thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 186743 373486 933715 1307201 1867430 2614402 6536005 13072010