12992258 has 8 divisors (see below), whose sum is σ = 19631052. Its totient is φ = 6448576.

The previous prime is 12992251. The next prime is 12992269. The reversal of 12992258 is 85229921.

It can be written as a sum of positive squares in 2 ways, for example, as 12623809 + 368449 = 3553^2 + 607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12992251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23435 + ... + 23982.

Almost surely, 2^12992258 is an apocalyptic number.

12992258 is a deficient number, since it is larger than the sum of its proper divisors (6638794).

12992258 is a wasteful number, since it uses less digits than its factorization.

12992258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47556.

The product of its digits is 25920, while the sum is 38.

The square root of 12992258 is about 3604.4774933407. The cubic root of 12992258 is about 235.0867824949.

The spelling of 12992258 in words is "twelve million, nine hundred ninety-two thousand, two hundred fifty-eight".