13243900 has 18 divisors (see below), whose sum is σ = 28739480. Its totient is φ = 5297520.

The previous prime is 13243897. The next prime is 13243933. The reversal of 13243900 is 934231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66120 + ... + 66319.

Almost surely, 2^13243900 is an apocalyptic number.

13243900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13243900 is an abundant number, since it is smaller than the sum of its proper divisors (15495580).

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

13243900 is a wasteful number, since it uses less digits than its factorization.

13243900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132453 (or 132446 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13243900 is about 3639.2169487405. The cubic root of 13243900 is about 236.5948557725.

The spelling of 13243900 in words is "thirteen million, two hundred forty-three thousand, nine hundred".