12700940 has 48 divisors (see below), whose sum is σ = 30687552. Its totient is φ = 4325376.

The previous prime is 12700937. The next prime is 12700943. The reversal of 12700940 is 4900721.

It is an interprime number because it is at equal distance from previous prime (12700937) and next prime (12700943).

It is a super-2 number, since 2×12700940² = 322627753767200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12700943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35804 + ... + 36156.

It is an arithmetic number, because the mean of its divisors is an integer number (639324).

Almost surely, 2^12700940 is an apocalyptic number.

12700940 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 12700940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15343776).

12700940 is an abundant number, since it is smaller than the sum of its proper divisors (17986612).

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

12700940 is a wasteful number, since it uses less digits than its factorization.

12700940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

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

The square root of 12700940 is about 3563.8378189811. The cubic root of 12700940 is about 233.3164114712.

The spelling of 12700940 in words is "twelve million, seven hundred thousand, nine hundred forty".