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13008970 = 2513100069
BaseRepresentation
bin110001101000…
…000001001010
3220110220221201
4301220001022
511312241340
61142454414
7215401012
oct61500112
926426851
1013008970
117385917
12443440a
132906320
141a28c42
15121e79a
hexc6804a

13008970 has 16 divisors (see below), whose sum is σ = 25217640. Its totient is φ = 4803264.

The previous prime is 13008949. The next prime is 13008971. The reversal of 13008970 is 7980031.

It can be written as a sum of positive squares in 4 ways, for example, as 10374841 + 2634129 = 3221^2 + 1623^2 .

It is not an unprimeable number, because it can be changed into a prime (13008971) 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, 49905 + ... + 50164.

Almost surely, 213008970 is an apocalyptic number.

13008970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13008970 is a deficient number, since it is larger than the sum of its proper divisors (12208670).

13008970 is a wasteful number, since it uses less digits than its factorization.

13008970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100089.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 13008970 is about 3606.7949761527. The cubic root of 13008970 is about 235.1875370361.

The spelling of 13008970 in words is "thirteen million, eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 100069 200138 500345 1000690 1300897 2601794 6504485 13008970