12939700 has 36 divisors (see below), whose sum is σ = 28435680. Its totient is φ = 5110240.

The previous prime is 12939697. The next prime is 12939701. The reversal of 12939700 is 793921.

12939700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7521 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (789880).

Almost surely, 2^12939700 is an apocalyptic number.

12939700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12939700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14217840).

12939700 is an abundant number, since it is smaller than the sum of its proper divisors (15495980).

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

12939700 is a wasteful number, since it uses less digits than its factorization.

12939700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 12939700 is about 3597.1794506252. The cubic root of 12939700 is about 234.7693526938.

The spelling of 12939700 in words is "twelve million, nine hundred thirty-nine thousand, seven hundred".