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13252706 = 212775189
BaseRepresentation
bin110010100011…
…100001100010
3220221022021222
4302203201202
511343041311
61152015042
7220434425
oct62434142
926838258
1013252706
117531a55
124531482
13299024c
141a8d9bc
15126badb
hexca3862

13252706 has 8 divisors (see below), whose sum is σ = 19898460. Its totient is φ = 6619888.

The previous prime is 13252691. The next prime is 13252711. The reversal of 13252706 is 60725231.

It can be written as a sum of positive squares in 2 ways, for example, as 12538681 + 714025 = 3541^2 + 845^2 .

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

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, 41 + ... + 5148.

Almost surely, 213252706 is an apocalyptic number.

13252706 is a deficient number, since it is larger than the sum of its proper divisors (6645754).

13252706 is a wasteful number, since it uses less digits than its factorization.

13252706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13252706 is about 3640.4266233506. The cubic root of 13252706 is about 236.6472822405.

Adding to 13252706 its reverse (60725231), we get a palindrome (73977937).

The spelling of 13252706 in words is "thirteen million, two hundred fifty-two thousand, seven hundred six".

Divisors: 1 2 1277 2554 5189 10378 6626353 13252706