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13068670 = 253142157
BaseRepresentation
bin110001110110…
…100101111110
3220120221211211
4301312211332
511321144140
61144035034
7216040036
oct61664576
926527754
1013068670
11741675a
124462a7a
132927554
141a428c6
1512322ea
hexc7697e

13068670 has 16 divisors (see below), whose sum is σ = 24283008. Its totient is φ = 5058720.

The previous prime is 13068667. The next prime is 13068673. The reversal of 13068670 is 7686031.

It is an interprime number because it is at equal distance from previous prime (13068667) and next prime (13068673).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13068673) 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, 20769 + ... + 21388.

It is an arithmetic number, because the mean of its divisors is an integer number (1517688).

Almost surely, 213068670 is an apocalyptic number.

13068670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13068670 is a deficient number, since it is larger than the sum of its proper divisors (11214338).

13068670 is a wasteful number, since it uses less digits than its factorization.

13068670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42195.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 13068670 is about 3615.0615485770. The cubic root of 13068670 is about 235.5467576946.

The spelling of 13068670 in words is "thirteen million, sixty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 42157 84314 210785 421570 1306867 2613734 6534335 13068670