12706740 has 48 divisors (see below), whose sum is σ = 39533760. Its totient is φ = 3388320.

The previous prime is 12706723. The next prime is 12706777. The reversal of 12706740 is 4760721.

12706740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12706740² = 322922482855200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11226 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (823620).

Almost surely, 2^12706740 is an apocalyptic number.

12706740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12706740 is an abundant number, since it is smaller than the sum of its proper divisors (26827020).

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

12706740 is a wasteful number, since it uses less digits than its factorization.

12706740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23549 (or 23541 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 12706740 is about 3564.6514556125. The cubic root of 12706740 is about 233.3519214217.

The spelling of 12706740 in words is "twelve million, seven hundred six thousand, seven hundred forty".