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13250541 = 325117597
BaseRepresentation
bin110010100010…
…111111101101
3220221012022210
4302202333231
511343004131
61152001033
7220425213
oct62427755
926835283
1013250541
117530367
124530179
13298c275
141a8ccb3
15126b146
hexca2fed

13250541 has 8 divisors (see below), whose sum is σ = 17738784. Its totient is φ = 8798000.

The previous prime is 13250537. The next prime is 13250557. The reversal of 13250541 is 14505231.

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

It is a cyclic number.

It is not a de Polignac number, because 13250541 - 22 = 13250537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8046 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (2217348).

Almost surely, 213250541 is an apocalyptic number.

It is an amenable number.

13250541 is a deficient number, since it is larger than the sum of its proper divisors (4488243).

13250541 is a wasteful number, since it uses less digits than its factorization.

13250541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13250541 is about 3640.1292559468. The cubic root of 13250541 is about 236.6343950795.

Adding to 13250541 its reverse (14505231), we get a palindrome (27755772).

The spelling of 13250541 in words is "thirteen million, two hundred fifty thousand, five hundred forty-one".

Divisors: 1 3 251 753 17597 52791 4416847 13250541