13122650 has 24 divisors (see below), whose sum is σ = 25471584. Its totient is φ = 5020400.

The previous prime is 13122647. The next prime is 13122653. The reversal of 13122650 is 5622131.

It is an interprime number because it is at equal distance from previous prime (13122647) and next prime (13122653).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4556 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (1061316).

Almost surely, 2^13122650 is an apocalyptic number.

13122650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13122650 is a deficient number, since it is larger than the sum of its proper divisors (12348934).

13122650 is a wasteful number, since it uses less digits than its factorization.

13122650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446 (or 11441 counting only the distinct ones).

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

The square root of 13122650 is about 3622.5198412155. The cubic root of 13122650 is about 235.8706199776.

Adding to 13122650 its reverse (5622131), we get a palindrome (18744781).

The spelling of 13122650 in words is "thirteen million, one hundred twenty-two thousand, six hundred fifty".