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13225704 = 2333491579
BaseRepresentation
bin110010011100…
…111011101000
3220212221020220
4302130323220
511341210304
61151250040
7220262622
oct62347350
926787226
1013225704
117513738
124519920
132980b7b
141a83c12
151263ad9
hexc9cee8

13225704 has 32 divisors (see below), whose sum is σ = 33180000. Its totient is φ = 4393152.

The previous prime is 13225703. The next prime is 13225717. The reversal of 13225704 is 40752231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7587 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (1036875).

Almost surely, 213225704 is an apocalyptic number.

It is an amenable number.

13225704 is an abundant number, since it is smaller than the sum of its proper divisors (19954296).

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

13225704 is a wasteful number, since it uses less digits than its factorization.

13225704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13225704 is about 3636.7161011000. The cubic root of 13225704 is about 236.4864523287.

Adding to 13225704 its reverse (40752231), we get a palindrome (53977935).

The spelling of 13225704 in words is "thirteen million, two hundred twenty-five thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 24 349 698 1047 1396 1579 2094 2792 3158 4188 4737 6316 8376 9474 12632 18948 37896 551071 1102142 1653213 2204284 3306426 4408568 6612852 13225704