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12740494 = 213490019
BaseRepresentation
bin110000100110…
…011110001110
3212222021200011
4300212132032
511230143434
61133023434
7213202204
oct60463616
925867604
1012740494
117212138
124324b7a
132841070
141999074
1511b9e64
hexc2678e

12740494 has 8 divisors (see below), whose sum is σ = 20580840. Its totient is φ = 5880216.

The previous prime is 12740489. The next prime is 12740503. The reversal of 12740494 is 49404721.

12740494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 244984 + ... + 245035.

It is an arithmetic number, because the mean of its divisors is an integer number (2572605).

Almost surely, 212740494 is an apocalyptic number.

12740494 is a deficient number, since it is larger than the sum of its proper divisors (7840346).

12740494 is a wasteful number, since it uses less digits than its factorization.

12740494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490034.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12740494 is about 3569.3828598232. The cubic root of 12740494 is about 233.5583629542.

The spelling of 12740494 in words is "twelve million, seven hundred forty thousand, four hundred ninety-four".

Divisors: 1 2 13 26 490019 980038 6370247 12740494