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13380860 = 225809827
BaseRepresentation
bin110011000010…
…110011111100
3221011211002102
4303002303330
511411141420
61154444232
7221510153
oct63026374
927154072
1013380860
11760a269
124593678
132a0668c
141ac459a
151294a75
hexcc2cfc

13380860 has 24 divisors (see below), whose sum is σ = 28168560. Its totient is φ = 5339264.

The previous prime is 13380841. The next prime is 13380863. The reversal of 13380860 is 6808331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380863) 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 7 ways as a sum of consecutive naturals, for example, 15767 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (1173690).

Almost surely, 213380860 is an apocalyptic number.

13380860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13380860 is an abundant number, since it is smaller than the sum of its proper divisors (14787700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13380860 is a wasteful number, since it uses less digits than its factorization.

13380860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13380860 is about 3657.9857845541. The cubic root of 13380860 is about 237.4076316709.

The spelling of 13380860 in words is "thirteen million, three hundred eighty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 809 827 1618 1654 3236 3308 4045 4135 8090 8270 16180 16540 669043 1338086 2676172 3345215 6690430 13380860