Search a number
-
+
13591253 = 131935417
BaseRepresentation
bin110011110110…
…001011010101
3221120111200202
4303312023111
511434410003
61203150245
7223344434
oct63661325
927514622
1013591253
117743345
124675385
132a7b380
141b3b11b
1512d7088
hexcf62d5

13591253 has 8 divisors (see below), whose sum is σ = 14715288. Its totient is φ = 12478464.

The previous prime is 13591243. The next prime is 13591283. The reversal of 13591253 is 35219531.

It can be written as a sum of positive squares in 4 ways, for example, as 465124 + 13126129 = 682^2 + 3623^2 .

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 13591253 - 212 = 13587157 is a prime.

It is a super-2 number, since 2×135912532 = 369444316220018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13591243) 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, 200 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (1839411).

Almost surely, 213591253 is an apocalyptic number.

13591253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13591253 is a deficient number, since it is larger than the sum of its proper divisors (1124035).

13591253 is a wasteful number, since it uses less digits than its factorization.

13591253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its digits is 4050, while the sum is 29.

The square root of 13591253 is about 3686.6316604727. The cubic root of 13591253 is about 238.6454538935.

The spelling of 13591253 in words is "thirteen million, five hundred ninety-one thousand, two hundred fifty-three".

Divisors: 1 13 193 2509 5417 70421 1045481 13591253