12992241 has 8 divisors (see below), whose sum is σ = 17429920. Its totient is φ = 8608356.

The previous prime is 12992209. The next prime is 12992251. The reversal of 12992241 is 14229921.

It is a happy number.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=163.

It is not a de Polignac number, because 12992241 - 2⁵ = 12992209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12992199 and 12992208.

It is not an unprimeable number, because it can be changed into a prime (12992201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79626 + ... + 79788.

It is an arithmetic number, because the mean of its divisors is an integer number (2178740).

Almost surely, 2^12992241 is an apocalyptic number.

It is an amenable number.

12992241 is a deficient number, since it is larger than the sum of its proper divisors (4437679).

12992241 is an frugal number, since it uses more digits than its factorization.

12992241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 166 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 12992241 is about 3604.4751351618. The cubic root of 12992241 is about 235.0866799601.

The spelling of 12992241 in words is "twelve million, nine hundred ninety-two thousand, two hundred forty-one".