13121064 has 48 divisors (see below), whose sum is σ = 38769120. Its totient is φ = 3975840.

The previous prime is 13121047. The next prime is 13121071. The reversal of 13121064 is 46012131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7492 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (807690).

Almost surely, 2^13121064 is an apocalyptic number.

It is an amenable number.

13121064 is an abundant number, since it is smaller than the sum of its proper divisors (25648056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121064 is a wasteful number, since it uses less digits than its factorization.

13121064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16590 (or 16583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13121064 is about 3622.3009262070. The cubic root of 13121064 is about 235.8611171746.

Adding to 13121064 its reverse (46012131), we get a palindrome (59133195).

The spelling of 13121064 in words is "thirteen million, one hundred twenty-one thousand, sixty-four".