Search a number
-
+
13457417 is a prime number
BaseRepresentation
bin110011010101…
…100000001001
3221022201002212
4303111200021
511421114132
61200234505
7222246311
oct63254011
927281085
1013457417
117661836
12460ba35
132a3248c
141b04441
1512ac5b2
hexcd5809

13457417 has 2 divisors, whose sum is σ = 13457418. Its totient is φ = 13457416.

The previous prime is 13457407. The next prime is 13457429. The reversal of 13457417 is 71475431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 4343056 = 3019^2 + 2084^2 .

It is a cyclic number.

It is not a de Polignac number, because 13457417 - 24 = 13457401 is a prime.

It is a super-2 number, since 2×134574172 = 362204144623778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13457407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728708 + 6728709.

It is an arithmetic number, because the mean of its divisors is an integer number (6728709).

Almost surely, 213457417 is an apocalyptic number.

It is an amenable number.

13457417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13457417 is an equidigital number, since it uses as much as digits as its factorization.

13457417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 13457417 is about 3668.4352249972. The cubic root of 13457417 is about 237.8595374370.

The spelling of 13457417 in words is "thirteen million, four hundred fifty-seven thousand, four hundred seventeen".