13123250 has 32 divisors (see below), whose sum is σ = 28080000. Its totient is φ = 4498800.

The previous prime is 13123249. The next prime is 13123289. The reversal of 13123250 is 5232131.

13123250 = 260² + 261² + ... + 384².

13123250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (877500).

Almost surely, 2^13123250 is an apocalyptic number.

13123250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123250 is an abundant number, since it is smaller than the sum of its proper divisors (14956750).

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

13123250 is an equidigital number, since it uses as much as digits as its factorization.

13123250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523 (or 7513 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13123250 is about 3622.6026555503. The cubic root of 13123250 is about 235.8742147854.

Adding to 13123250 its reverse (5232131), we get a palindrome (18355381).

The spelling of 13123250 in words is "thirteen million, one hundred twenty-three thousand, two hundred fifty".