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13268870 = 251326887
BaseRepresentation
bin110010100111…
…011110000110
3220222010110122
4302213132012
511344100440
61152221542
7220532516
oct62473606
926863418
1013268870
11754310a
12453a8b2
132997704
141a95846
1512717b5
hexca7786

13268870 has 8 divisors (see below), whose sum is σ = 23883984. Its totient is φ = 5307544.

The previous prime is 13268867. The next prime is 13268873. The reversal of 13268870 is 7886231.

13268870 = 8052 + 8062 + ... + 8242.

It is an interprime number because it is at equal distance from previous prime (13268867) and next prime (13268873).

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

It is a super-2 number, since 2×132688702 = 352125822153800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13268870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13268873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663434 + ... + 663453.

It is an arithmetic number, because the mean of its divisors is an integer number (2985498).

Almost surely, 213268870 is an apocalyptic number.

13268870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13268870 is a deficient number, since it is larger than the sum of its proper divisors (10615114).

13268870 is a wasteful number, since it uses less digits than its factorization.

13268870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326894.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 13268870 is about 3642.6460162909. The cubic root of 13268870 is about 236.7434541108.

The spelling of 13268870 in words is "thirteen million, two hundred sixty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 1326887 2653774 6634435 13268870