12681473 has 16 divisors (see below), whose sum is σ = 15606144. Its totient is φ = 10056960.

The previous prime is 12681457. The next prime is 12681499. The reversal of 12681473 is 37418621.

It is a cyclic number.

It is not a de Polignac number, because 12681473 - 2⁴ = 12681457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12681443) 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, 6386 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (975384).

Almost surely, 2^12681473 is an apocalyptic number.

It is an amenable number.

12681473 is a deficient number, since it is larger than the sum of its proper divisors (2924671).

12681473 is a wasteful number, since it uses less digits than its factorization.

12681473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 8064, while the sum is 32.

The square root of 12681473 is about 3561.1055867525. The cubic root of 12681473 is about 233.1971475143.

The spelling of 12681473 in words is "twelve million, six hundred eighty-one thousand, four hundred seventy-three".