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13351025 = 522112531
BaseRepresentation
bin110010111011…
…100001110001
3221010022011102
4302323201301
511404213100
61154054145
7221324162
oct62734161
927108142
1013351025
117599906
12457a355
1329c5c1c
141ab7769
15128acd5
hexcbb871

13351025 has 12 divisors (see below), whose sum is σ = 16640304. Its totient is φ = 10626000.

The previous prime is 13350989. The next prime is 13351031. The reversal of 13351025 is 52015331.

13351025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13351025 - 220 = 12302449 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13350988 and 13351006.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4010 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (1386692).

Almost surely, 213351025 is an apocalyptic number.

It is an amenable number.

13351025 is a deficient number, since it is larger than the sum of its proper divisors (3289279).

13351025 is a wasteful number, since it uses less digits than its factorization.

13351025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13351025 is about 3653.9054448631. The cubic root of 13351025 is about 237.2310528976.

Adding to 13351025 its reverse (52015331), we get a palindrome (65366356).

The spelling of 13351025 in words is "thirteen million, three hundred fifty-one thousand, twenty-five".

Divisors: 1 5 25 211 1055 2531 5275 12655 63275 534041 2670205 13351025