13105412 has 12 divisors (see below), whose sum is σ = 22988700. Its totient is φ = 6537216.

The previous prime is 13105409. The next prime is 13105427. The reversal of 13105412 is 21450131.

13105412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6220036 + 6885376 = 2494^2 + 2624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (1915725).

Almost surely, 2^13105412 is an apocalyptic number.

It is an amenable number.

13105412 is a deficient number, since it is larger than the sum of its proper divisors (9883288).

13105412 is a wasteful number, since it uses less digits than its factorization.

13105412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13105412 is about 3620.1397763070. The cubic root of 13105412 is about 235.7672943182.

Adding to 13105412 its reverse (21450131), we get a palindrome (34555543).

The spelling of 13105412 in words is "thirteen million, one hundred five thousand, four hundred twelve".