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13392665 = 5111318731
BaseRepresentation
bin110011000101…
…101100011001
3221012102021122
4303011230121
511412031130
61155015025
7221556446
oct63055431
927172248
1013392665
117618120
12459a475
132a0bb70
141ac89cd
1512982e5
hexcc5b19

13392665 has 16 divisors (see below), whose sum is σ = 18881856. Its totient is φ = 8990400.

The previous prime is 13392649. The next prime is 13392671. The reversal of 13392665 is 56629331.

13392665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13392665 - 24 = 13392649 is a prime.

It is a Duffinian number.

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, 8651 + ... + 10080.

It is an arithmetic number, because the mean of its divisors is an integer number (1180116).

Almost surely, 213392665 is an apocalyptic number.

It is an amenable number.

13392665 is a deficient number, since it is larger than the sum of its proper divisors (5489191).

13392665 is a wasteful number, since it uses less digits than its factorization.

13392665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18760.

The product of its digits is 29160, while the sum is 35.

The square root of 13392665 is about 3659.5990217509. The cubic root of 13392665 is about 237.4774272176.

It can be divided in two parts, 1339 and 2665, that added together give a palindrome (4004).

The spelling of 13392665 in words is "thirteen million, three hundred ninety-two thousand, six hundred sixty-five".

Divisors: 1 5 11 13 55 65 143 715 18731 93655 206041 243503 1030205 1217515 2678533 13392665