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12745004 = 2215121101
BaseRepresentation
bin110000100111…
…100100101100
3212222111212012
4300213210230
511230320004
61133100352
7213221306
oct60474454
925874765
1012745004
117215568
1243276b8
13284312c
14199a976
1511bb46e
hexc2792c

12745004 has 12 divisors (see below), whose sum is σ = 22452528. Its totient is φ = 6330000.

The previous prime is 12744961. The next prime is 12745009. The reversal of 12745004 is 40054721.

It is not an unprimeable number, because it can be changed into a prime (12745009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9947 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (1871044).

Almost surely, 212745004 is an apocalyptic number.

It is an amenable number.

12745004 is a deficient number, since it is larger than the sum of its proper divisors (9707524).

12745004 is a wasteful number, since it uses less digits than its factorization.

12745004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21256 (or 21254 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12745004 is about 3570.0145657966. The cubic root of 12745004 is about 233.5859187656.

Adding to 12745004 its reverse (40054721), we get a palindrome (52799725).

The spelling of 12745004 in words is "twelve million, seven hundred forty-five thousand, four".

Divisors: 1 2 4 151 302 604 21101 42202 84404 3186251 6372502 12745004