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13730065 = 5191131279
BaseRepresentation
bin110100011000…
…000100010001
3221211120002221
4310120010101
512003330230
61210141041
7224463226
oct64300421
927746087
1013730065
117828668
124721781
132ac95cb
141b7594d
15131327a
hexd18111

13730065 has 16 divisors (see below), whose sum is σ = 17510400. Its totient is φ = 10305792.

The previous prime is 13730053. The next prime is 13730077. The reversal of 13730065 is 56003731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13730053) and next prime (13730077).

It is a cyclic number.

It is not a de Polignac number, because 13730065 - 217 = 13598993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10096 + ... + 11374.

It is an arithmetic number, because the mean of its divisors is an integer number (1094400).

Almost surely, 213730065 is an apocalyptic number.

It is an amenable number.

13730065 is a deficient number, since it is larger than the sum of its proper divisors (3780335).

13730065 is a wasteful number, since it uses less digits than its factorization.

13730065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 13730065 is about 3705.4102336988. The cubic root of 13730065 is about 239.4551587285.

Adding to 13730065 its reverse (56003731), we get a palindrome (69733796).

The spelling of 13730065 in words is "thirteen million, seven hundred thirty thousand, sixty-five".

Divisors: 1 5 19 95 113 565 1279 2147 6395 10735 24301 121505 144527 722635 2746013 13730065