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12953684 = 223238421
BaseRepresentation
bin110001011010…
…100001010100
3220101010010002
4301122201110
511304004214
61141350432
7215050562
oct61324124
926333102
1012953684
117348327
124408418
1328b7103
141a12a32
15120d1de
hexc5a854

12953684 has 6 divisors (see below), whose sum is σ = 22668954. Its totient is φ = 6476840.

The previous prime is 12953659. The next prime is 12953701. The reversal of 12953684 is 48635921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8832784 + 4120900 = 2972^2 + 2030^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619207 + ... + 1619214.

It is an arithmetic number, because the mean of its divisors is an integer number (3778159).

Almost surely, 212953684 is an apocalyptic number.

It is an amenable number.

12953684 is a deficient number, since it is larger than the sum of its proper divisors (9715270).

12953684 is a wasteful number, since it uses less digits than its factorization.

12953684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238425 (or 3238423 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 12953684 is about 3599.1226708741. The cubic root of 12953684 is about 234.8538943932.

The spelling of 12953684 in words is "twelve million, nine hundred fifty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 3238421 6476842 12953684