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12725022 = 2319111623
BaseRepresentation
bin110000100010…
…101100011110
3212221111110010
4300202230132
511224200042
61132424050
7213106122
oct60425436
925844403
1012725022
117201552
124318026
132836ccb
141993582
1511b559c
hexc22b1e

12725022 has 16 divisors (see below), whose sum is σ = 26789760. Its totient is φ = 4018392.

The previous prime is 12725017. The next prime is 12725023. The reversal of 12725022 is 22052721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12725022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725023) 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 7 ways as a sum of consecutive naturals, for example, 55698 + ... + 55925.

It is an arithmetic number, because the mean of its divisors is an integer number (1674360).

Almost surely, 212725022 is an apocalyptic number.

12725022 is an abundant number, since it is smaller than the sum of its proper divisors (14064738).

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

12725022 is a wasteful number, since it uses less digits than its factorization.

12725022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111647.

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

The square root of 12725022 is about 3567.2148799869. The cubic root of 12725022 is about 233.4637805734.

Adding to 12725022 its reverse (22052721), we get a palindrome (34777743).

The spelling of 12725022 in words is "twelve million, seven hundred twenty-five thousand, twenty-two".

Divisors: 1 2 3 6 19 38 57 114 111623 223246 334869 669738 2120837 4241674 6362511 12725022