13261064 has 32 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 6268416.

The previous prime is 13261063. The next prime is 13261099. The reversal of 13261064 is 46016231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13261063) 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, 17477 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 2^13261064 is an apocalyptic number.

It is an amenable number.

13261064 is a deficient number, since it is larger than the sum of its proper divisors (12987256).

13261064 is a wasteful number, since it uses less digits than its factorization.

13261064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13261064 is about 3641.5743847957. The cubic root of 13261064 is about 236.6970200660.

Adding to 13261064 its reverse (46016231), we get a palindrome (59277295).

The spelling of 13261064 in words is "thirteen million, two hundred sixty-one thousand, sixty-four".