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13095061 = 71870723
BaseRepresentation
bin110001111101…
…000010010101
3220122022001021
4301331002111
511323020221
61144401141
7216210010
oct61750225
926568037
1013095061
117434571
1244761b1
132936575
141a4c377
15123a041
hexc7d095

13095061 has 4 divisors (see below), whose sum is σ = 14965792. Its totient is φ = 11224332.

The previous prime is 13095059. The next prime is 13095079. The reversal of 13095061 is 16059031.

13095061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16059031 = 26959699.

It is not a de Polignac number, because 13095061 - 21 = 13095059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13095001) 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, 935355 + ... + 935368.

It is an arithmetic number, because the mean of its divisors is an integer number (3741448).

Almost surely, 213095061 is an apocalyptic number.

It is an amenable number.

13095061 is a deficient number, since it is larger than the sum of its proper divisors (1870731).

13095061 is an equidigital number, since it uses as much as digits as its factorization.

13095061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870730.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 13095061 is about 3618.7098529725. The cubic root of 13095061 is about 235.7052062269.

The spelling of 13095061 in words is "thirteen million, ninety-five thousand, sixty-one".

Divisors: 1 7 1870723 13095061