13105426 has 8 divisors (see below), whose sum is σ = 19686960. Its totient is φ = 6543108.

The previous prime is 13105409. The next prime is 13105427. The reversal of 13105426 is 62450131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13105397 and 13105406.

It is not an unprimeable number, because it can be changed into a prime (13105427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (2460870).

Almost surely, 2^13105426 is an apocalyptic number.

13105426 is the 2956-th pentagonal number.

13105426 is a deficient number, since it is larger than the sum of its proper divisors (6581534).

13105426 is an equidigital number, since it uses as much as digits as its factorization.

13105426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9608.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13105426 is about 3620.1417099335. The cubic root of 13105426 is about 235.7673782718.

Adding to 13105426 its reverse (62450131), we get a palindrome (75555557).

It can be divided in two parts, 13105 and 426, that added together give a palindrome (13531).

The spelling of 13105426 in words is "thirteen million, one hundred five thousand, four hundred twenty-six".