13122506 has 8 divisors (see below), whose sum is σ = 19700064. Its totient is φ = 6555820.

The previous prime is 13122493. The next prime is 13122511. The reversal of 13122506 is 60522131.

13122506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

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, 1811 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (2462508).

Almost surely, 2^13122506 is an apocalyptic number.

It is a pronic number, being equal to 3622×3623.

13122506 is a deficient number, since it is larger than the sum of its proper divisors (6577558).

13122506 is a wasteful number, since it uses less digits than its factorization.

13122506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436.

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

The square root of 13122506 is about 3622.4999654934. The cubic root of 13122506 is about 235.8697572074.

Adding to 13122506 its reverse (60522131), we get a palindrome (73644637).

The spelling of 13122506 in words is "thirteen million, one hundred twenty-two thousand, five hundred six".