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13430117 = 52325679
BaseRepresentation
bin110011001110…
…110101100101
3221021022122202
4303032311211
511414230432
61155504245
7222103601
oct63166545
927238582
1013430117
117643278
1245b8085
132a22c1c
141ad8501
1512a4462
hexcced65

13430117 has 4 divisors (see below), whose sum is σ = 13456320. Its totient is φ = 13403916.

The previous prime is 13430089. The next prime is 13430129. The reversal of 13430117 is 71103431.

It is a happy number.

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: 71103431 = 710157633.

It is a cyclic number.

It is not a de Polignac number, because 13430117 - 214 = 13413733 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 (13430167) 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, 12317 + ... + 13362.

It is an arithmetic number, because the mean of its divisors is an integer number (3364080).

Almost surely, 213430117 is an apocalyptic number.

It is an amenable number.

13430117 is a deficient number, since it is larger than the sum of its proper divisors (26203).

13430117 is an equidigital number, since it uses as much as digits as its factorization.

13430117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26202.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13430117 is about 3664.7124034500. The cubic root of 13430117 is about 237.6985862599.

Adding to 13430117 its reverse (71103431), we get a palindrome (84533548).

The spelling of 13430117 in words is "thirteen million, four hundred thirty thousand, one hundred seventeen".

Divisors: 1 523 25679 13430117