Search a number
-
+
13412469 = 37638689
BaseRepresentation
bin110011001010…
…100001110101
3221020102110010
4303022201311
511413144334
61155250433
7222001260
oct63124165
927212403
1013412469
117630a94
1245a9a19
132a17b95
141ad1cd7
15129e0e9
hexcca875

13412469 has 8 divisors (see below), whose sum is σ = 20438080. Its totient is φ = 7664256.

The previous prime is 13412459. The next prime is 13412489. The reversal of 13412469 is 96421431.

13412469 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13412469 - 211 = 13410421 is a prime.

It is a super-2 number, since 2×134124692 = 359788649351922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412449) 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, 319324 + ... + 319365.

It is an arithmetic number, because the mean of its divisors is an integer number (2554760).

Almost surely, 213412469 is an apocalyptic number.

It is an amenable number.

13412469 is a deficient number, since it is larger than the sum of its proper divisors (7025611).

13412469 is an equidigital number, since it uses as much as digits as its factorization.

13412469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638699.

The product of its digits is 5184, while the sum is 30.

The square root of 13412469 is about 3662.3037831398. The cubic root of 13412469 is about 237.5944237658.

The spelling of 13412469 in words is "thirteen million, four hundred twelve thousand, four hundred sixty-nine".

Divisors: 1 3 7 21 638689 1916067 4470823 13412469