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13032501 = 313931253
BaseRepresentation
bin110001101101…
…110000110101
3220112010020020
4301231300311
511314020001
61143155353
7215526426
oct61556065
926463206
1013032501
1173a1569
124445b59
132913c51
141a3364d
151226736
hexc6dc35

13032501 has 8 divisors (see below), whose sum is σ = 17502240. Its totient is φ = 8625552.

The previous prime is 13032479. The next prime is 13032511. The reversal of 13032501 is 10523031.

It is a happy number.

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

It is not a de Polignac number, because 13032501 - 25 = 13032469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032511) 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, 15210 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (2187780).

Almost surely, 213032501 is an apocalyptic number.

It is an amenable number.

13032501 is a deficient number, since it is larger than the sum of its proper divisors (4469739).

13032501 is a wasteful number, since it uses less digits than its factorization.

13032501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13032501 is about 3610.0555397390. The cubic root of 13032501 is about 235.3292562877.

Adding to 13032501 its reverse (10523031), we get a palindrome (23555532).

The spelling of 13032501 in words is "thirteen million, thirty-two thousand, five hundred one".

Divisors: 1 3 139 417 31253 93759 4344167 13032501