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13056141 = 37621721
BaseRepresentation
bin110001110011…
…100010001101
3220120022122210
4301303202031
511320244031
61143501033
7215655360
oct61634215
926508583
1013056141
1174082aa
124457779
132921937
141a3c0d7
15122d746
hexc7388d

13056141 has 8 divisors (see below), whose sum is σ = 19895104. Its totient is φ = 7460640.

The previous prime is 13056107. The next prime is 13056151. The reversal of 13056141 is 14165031.

13056141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13056141 - 26 = 13056077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 621721 = 13056141 / (1 + 3 + 0 + 5 + 6 + 1 + 4 + 1).

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310840 + ... + 310881.

It is an arithmetic number, because the mean of its divisors is an integer number (2486888).

Almost surely, 213056141 is an apocalyptic number.

It is an amenable number.

13056141 is a deficient number, since it is larger than the sum of its proper divisors (6838963).

13056141 is an equidigital number, since it uses as much as digits as its factorization.

13056141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621731.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13056141 is about 3613.3282441539. The cubic root of 13056141 is about 235.4714603376.

The spelling of 13056141 in words is "thirteen million, fifty-six thousand, one hundred forty-one".

Divisors: 1 3 7 21 621721 1865163 4352047 13056141