12706089 has 48 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 6899200.

The previous prime is 12706073. The next prime is 12706093. The reversal of 12706089 is 98060721.

It is not a de Polignac number, because 12706089 - 2⁴ = 12706073 is a prime.

It is a super-2 number, since 2×12706089² = 322889395351842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12706009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178924 + ... + 178994.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^12706089 is an apocalyptic number.

It is an amenable number.

12706089 is a deficient number, since it is larger than the sum of its proper divisors (7978071).

12706089 is a wasteful number, since it uses less digits than its factorization.

12706089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12706089 is about 3564.5601411675. The cubic root of 12706089 is about 233.3479362743.

The spelling of 12706089 in words is "twelve million, seven hundred six thousand, eighty-nine".