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13250337 = 343910061
BaseRepresentation
bin110010100010…
…111100100001
3220221012001020
4302202330201
511343002322
61152000053
7220424502
oct62427441
926835036
1013250337
1175301a1
124530029
13298c149
141a8cba9
15126b05c
hexca2f21

13250337 has 8 divisors (see below), whose sum is σ = 17709120. Its totient is φ = 8812560.

The previous prime is 13250333. The next prime is 13250357. The reversal of 13250337 is 73305231.

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

It is not a de Polignac number, because 13250337 - 22 = 13250333 is a prime.

It is a super-2 number, since 2×132503372 = 351142861227138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13250333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714 + ... + 6347.

It is an arithmetic number, because the mean of its divisors is an integer number (2213640).

Almost surely, 213250337 is an apocalyptic number.

It is an amenable number.

13250337 is a deficient number, since it is larger than the sum of its proper divisors (4458783).

13250337 is a wasteful number, since it uses less digits than its factorization.

13250337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 13250337 is about 3640.1012348560. The cubic root of 13250337 is about 236.6331806973.

Adding to 13250337 its reverse (73305231), we get a palindrome (86555568).

The spelling of 13250337 in words is "thirteen million, two hundred fifty thousand, three hundred thirty-seven".

Divisors: 1 3 439 1317 10061 30183 4416779 13250337