12889082 has 4 divisors (see below), whose sum is σ = 19333626. Its totient is φ = 6444540.

The previous prime is 12889073. The next prime is 12889091. The reversal of 12889082 is 28098821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12889073) and next prime (12889091).

It can be written as a sum of positive squares in only one way, i.e., 12737761 + 151321 = 3569^2 + 389^2 .

It is a super-2 number, since 2×12889082² = 332256869605448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222269 + ... + 3222272.

Almost surely, 2^12889082 is an apocalyptic number.

12889082 is a deficient number, since it is larger than the sum of its proper divisors (6444544).

12889082 is an equidigital number, since it uses as much as digits as its factorization.

12889082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444543.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 12889082 is about 3590.1367661971. The cubic root of 12889082 is about 234.4628261549.

The spelling of 12889082 in words is "twelve million, eight hundred eighty-nine thousand, eighty-two".