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12747070 = 257182101
BaseRepresentation
bin110000101000…
…000100111110
3212222121200201
4300220010332
511230401240
61133114114
7213230320
oct60500476
925877621
1012747070
117217076
12432893a
13284405b
14199b610
1511bbd9a
hexc2813e

12747070 has 16 divisors (see below), whose sum is σ = 26222688. Its totient is φ = 4370400.

The previous prime is 12747047. The next prime is 12747121. The reversal of 12747070 is 7074721.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 90981 + ... + 91120.

It is an arithmetic number, because the mean of its divisors is an integer number (1638918).

Almost surely, 212747070 is an apocalyptic number.

12747070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12747070 is an abundant number, since it is smaller than the sum of its proper divisors (13475618).

12747070 is a wasteful number, since it uses less digits than its factorization.

12747070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182115.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 12747070 is about 3570.3039086330. The cubic root of 12747070 is about 233.5985397224.

The spelling of 12747070 in words is "twelve million, seven hundred forty-seven thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 182101 364202 910505 1274707 1821010 2549414 6373535 12747070