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13012514 = 217247479
BaseRepresentation
bin110001101000…
…111000100010
3220111002210222
4301220320202
511312400024
61142523042
7215414234
oct61507042
926432728
1013012514
117388549
124436482
132907b18
141a2a254
15122085e
hexc68e22

13012514 has 24 divisors (see below), whose sum is σ = 21219840. Its totient is φ = 5980736.

The previous prime is 13012499. The next prime is 13012523. The reversal of 13012514 is 41521031.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 13012492 and 13012501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26927 + ... + 27405.

It is an arithmetic number, because the mean of its divisors is an integer number (884160).

Almost surely, 213012514 is an apocalyptic number.

13012514 is a deficient number, since it is larger than the sum of its proper divisors (8207326).

13012514 is a wasteful number, since it uses less digits than its factorization.

13012514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13012514 is about 3607.2862376030. The cubic root of 13012514 is about 235.2088922741.

Adding to 13012514 its reverse (41521031), we get a palindrome (54533545).

The spelling of 13012514 in words is "thirteen million, twelve thousand, five hundred fourteen".

Divisors: 1 2 17 34 47 94 289 479 578 799 958 1598 8143 13583 16286 22513 27166 45026 138431 276862 382721 765442 6506257 13012514