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13065407 = 196111273
BaseRepresentation
bin110001110101…
…110010111111
3220120210100222
4301311302333
511321043112
61144011555
7216024365
oct61656277
926523328
1013065407
117414263
124460bbb
132925c14
141a41635
151231372
hexc75cbf

13065407 has 8 divisors (see below), whose sum is σ = 13979760. Its totient is φ = 12173760.

The previous prime is 13065391. The next prime is 13065419. The reversal of 13065407 is 70456031.

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

It is a cyclic number.

It is not a de Polignac number, because 13065407 - 24 = 13065391 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 (13065427) 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, 4478 + ... + 6795.

It is an arithmetic number, because the mean of its divisors is an integer number (1747470).

Almost surely, 213065407 is an apocalyptic number.

13065407 is a deficient number, since it is larger than the sum of its proper divisors (914353).

13065407 is a wasteful number, since it uses less digits than its factorization.

13065407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13065407 is about 3614.6102141171. The cubic root of 13065407 is about 235.5271522043.

The spelling of 13065407 in words is "thirteen million, sixty-five thousand, four hundred seven".

Divisors: 1 19 61 1159 11273 214187 687653 13065407