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12700542 = 232116757
BaseRepresentation
bin110000011100…
…101101111110
3212220020212110
4300130231332
511222404132
61132114450
7212644551
oct60345576
925806773
1012700542
117195118
124305a26
132828b1a
141988698
hexc1cb7e

12700542 has 8 divisors (see below), whose sum is σ = 25401096. Its totient is φ = 4233512.

The previous prime is 12700537. The next prime is 12700559. The reversal of 12700542 is 24500721.

It is a sphenic number, since it is the product of 3 distinct primes.

12700542 is an admirable number.

It is a super-2 number, since 2×127005422 = 322607534187528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058373 + ... + 1058384.

It is an arithmetic number, because the mean of its divisors is an integer number (3175137).

Almost surely, 212700542 is an apocalyptic number.

12700542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12700542 is a wasteful number, since it uses less digits than its factorization.

12700542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116762.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12700542 is about 3563.7819798635. The cubic root of 12700542 is about 233.3139743576.

The spelling of 12700542 in words is "twelve million, seven hundred thousand, five hundred forty-two".

Divisors: 1 2 3 6 2116757 4233514 6350271 12700542