12701056 has 32 divisors (see below), whose sum is σ = 25697880. Its totient is φ = 6251520.

The previous prime is 12701009. The next prime is 12701069. The reversal of 12701056 is 65010721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12701056² = 322633647030272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7836 + ... + 9316.

Almost surely, 2^12701056 is an apocalyptic number.

12701056 is a gapful number since it is divisible by the number (16) 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 12701056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12848940).

12701056 is an abundant number, since it is smaller than the sum of its proper divisors (12996824).

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

12701056 is an equidigital number, since it uses as much as digits as its factorization.

12701056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12701056 is about 3563.8540935341. The cubic root of 12701056 is about 233.3171217762.

Adding to 12701056 its reverse (65010721), we get a palindrome (77711777).

The spelling of 12701056 in words is "twelve million, seven hundred one thousand, fifty-six".