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13671097 = 111242827
BaseRepresentation
bin110100001001…
…101010111001
3221201120012221
4310021222321
511444433342
61205004041
7224126266
oct64115271
927646187
1013671097
117798330
1246b3621
132aa880b
141b5c26d
151300a67
hexd09ab9

13671097 has 4 divisors (see below), whose sum is σ = 14913936. Its totient is φ = 12428260.

The previous prime is 13671041. The next prime is 13671113. The reversal of 13671097 is 79017631.

It is a happy number.

13671097 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.

It is a cyclic number.

It is not a de Polignac number, because 13671097 - 211 = 13669049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13678097) 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, 621403 + ... + 621424.

It is an arithmetic number, because the mean of its divisors is an integer number (3728484).

Almost surely, 213671097 is an apocalyptic number.

It is an amenable number.

13671097 is a deficient number, since it is larger than the sum of its proper divisors (1242839).

13671097 is a wasteful number, since it uses less digits than its factorization.

13671097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242838.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 13671097 is about 3697.4446581389. Note that the first 3 decimals coincide. The cubic root of 13671097 is about 239.1118621096. Note that the first 3 decimals are identical.

The spelling of 13671097 in words is "thirteen million, six hundred seventy-one thousand, ninety-seven".

Divisors: 1 11 1242827 13671097