12248831 has 4 divisors (see below), whose sum is σ = 13998672. Its totient is φ = 10498992.

The previous prime is 12248827. The next prime is 12248837. The reversal of 12248831 is 13884221.

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

It is not a de Polignac number, because 12248831 - 2² = 12248827 is a prime.

It is a super-2 number, since 2×12248831² = 300067721733122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12248794 and 12248803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12248837) 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, 874910 + ... + 874923.

It is an arithmetic number, because the mean of its divisors is an integer number (3499668).

Almost surely, 2^12248831 is an apocalyptic number.

12248831 is a deficient number, since it is larger than the sum of its proper divisors (1749841).

12248831 is an equidigital number, since it uses as much as digits as its factorization.

12248831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749840.

The product of its digits is 3072, while the sum is 29.

The square root of 12248831 is about 3499.8329960157. The cubic root of 12248831 is about 230.5144815805.

The spelling of 12248831 in words is "twelve million, two hundred forty-eight thousand, eight hundred thirty-one".