12932089 has 4 divisors (see below), whose sum is σ = 12940900. Its totient is φ = 12923280.

The previous prime is 12932083. The next prime is 12932107. The reversal of 12932089 is 98023921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98023921 = 17 ⋅5766113.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 8555625 = 2092^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 12932089 - 2³ = 12932081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12932081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (3235225).

Almost surely, 2^12932089 is an apocalyptic number.

It is an amenable number.

12932089 is a deficient number, since it is larger than the sum of its proper divisors (8811).

12932089 is an equidigital number, since it uses as much as digits as its factorization.

12932089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12932089 is about 3596.1213828234. The cubic root of 12932089 is about 234.7233140173.

The spelling of 12932089 in words is "twelve million, nine hundred thirty-two thousand, eighty-nine".