12940700 has 36 divisors (see below), whose sum is σ = 28300272. Its totient is φ = 5136000.

The previous prime is 12940661. The next prime is 12940703. The reversal of 12940700 is 704921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940703) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14672 + ... + 15528.

Almost surely, 2^12940700 is an apocalyptic number.

12940700 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 12940700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14150136).

12940700 is an abundant number, since it is smaller than the sum of its proper divisors (15359572).

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

12940700 is a wasteful number, since it uses less digits than its factorization.

12940700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12940700 is about 3597.3184457315. The cubic root of 12940700 is about 234.7754003174.

The spelling of 12940700 in words is "twelve million, nine hundred forty thousand, seven hundred".