13121350 has 24 divisors (see below), whose sum is σ = 26625528. Its totient is φ = 4771200.

The previous prime is 13121341. The next prime is 13121371. The reversal of 13121350 is 5312131.

It is a congruent number.

It is an unprimeable number.

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, 11379 + ... + 12478.

It is an arithmetic number, because the mean of its divisors is an integer number (1109397).

Almost surely, 2^13121350 is an apocalyptic number.

13121350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121350 is an abundant number, since it is smaller than the sum of its proper divisors (13504178).

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

13121350 is a wasteful number, since it uses less digits than its factorization.

13121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23880 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13121350 is about 3622.3404036617. The cubic root of 13121350 is about 235.8628308514.

Adding to 13121350 its reverse (5312131), we get a palindrome (18433481).

It can be divided in two parts, 1312 and 1350, that added together give a palindrome (2662).

The spelling of 13121350 in words is "thirteen million, one hundred twenty-one thousand, three hundred fifty".