12701457 has 24 divisors (see below), whose sum is σ = 18855720. Its totient is φ = 8236800.

The previous prime is 12701453. The next prime is 12701473. The reversal of 12701457 is 75410721.

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 10653696 = 1431^2 + 3264^2 .

It is not a de Polignac number, because 12701457 - 2² = 12701453 is a prime.

It is a super-2 number, since 2×12701457² = 322654019845698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12701457.

It is not an unprimeable number, because it can be changed into a prime (12701453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80823 + ... + 80979.

It is an arithmetic number, because the mean of its divisors is an integer number (785655).

Almost surely, 2^12701457 is an apocalyptic number.

It is an amenable number.

12701457 is a deficient number, since it is larger than the sum of its proper divisors (6154263).

12701457 is a wasteful number, since it uses less digits than its factorization.

12701457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12701457 is about 3563.9103524079. The cubic root of 12701457 is about 233.3195771936.

The spelling of 12701457 in words is "twelve million, seven hundred one thousand, four hundred fifty-seven".