12707456 has 16 divisors (see below), whose sum is σ = 25315890. Its totient is φ = 6353664.

The previous prime is 12707413. The next prime is 12707501. The reversal of 12707456 is 65470721.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 33856 = 3560^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12707456² = 322958875983872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49511 + ... + 49766.

Almost surely, 2^12707456 is an apocalyptic number.

12707456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12707456 is a deficient number, since it is larger than the sum of its proper divisors (12608434).

12707456 is an frugal number, since it uses more digits than its factorization.

12707456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99291 (or 99279 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12707456 is about 3564.7518847740. The cubic root of 12707456 is about 233.3563043145.

The spelling of 12707456 in words is "twelve million, seven hundred seven thousand, four hundred fifty-six".