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13012130 = 252934441
BaseRepresentation
bin110001101000…
…110010100010
3220111002021202
4301220302202
511312342010
61142521202
7215413145
oct61506242
926432252
1013012130
11738822a
124436202
1329078b1
141a2a05c
1512206a5
hexc68ca2

13012130 has 16 divisors (see below), whose sum is σ = 23507064. Its totient is φ = 5185920.

The previous prime is 13012117. The next prime is 13012141. The reversal of 13012130 is 3121031.

It can be written as a sum of positive squares in 4 ways, for example, as 12243001 + 769129 = 3499^2 + 877^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710 + ... + 5150.

Almost surely, 213012130 is an apocalyptic number.

13012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012130 is a deficient number, since it is larger than the sum of its proper divisors (10494934).

13012130 is a wasteful number, since it uses less digits than its factorization.

13012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13012130 is about 3607.2330116032. The cubic root of 13012130 is about 235.2065785756.

Adding to 13012130 its reverse (3121031), we get a palindrome (16133161).

The spelling of 13012130 in words is "thirteen million, twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 293 586 1465 2930 4441 8882 22205 44410 1301213 2602426 6506065 13012130