Search a number
-
+
13051406 = 26525703
BaseRepresentation
bin110001110010…
…011000001110
3220120002011102
4301302120032
511320121111
61143423102
7215635514
oct61623016
926502142
1013051406
117404795
124454a92
13291c734
141a3a4b4
15122c13b
hexc7260e

13051406 has 4 divisors (see below), whose sum is σ = 19577112. Its totient is φ = 6525702.

The previous prime is 13051391. The next prime is 13051411. The reversal of 13051406 is 60415031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3262850 + ... + 3262853.

It is an arithmetic number, because the mean of its divisors is an integer number (4894278).

Almost surely, 213051406 is an apocalyptic number.

13051406 is a deficient number, since it is larger than the sum of its proper divisors (6525706).

13051406 is an equidigital number, since it uses as much as digits as its factorization.

13051406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525705.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13051406 is about 3612.6729716375. The cubic root of 13051406 is about 235.4429911757.

Adding to 13051406 its reverse (60415031), we get a palindrome (73466437).

The spelling of 13051406 in words is "thirteen million, fifty-one thousand, four hundred six".

Divisors: 1 2 6525703 13051406