12248690 has 8 divisors (see below), whose sum is σ = 22047660. Its totient is φ = 4899472.

The previous prime is 12248683. The next prime is 12248729. The reversal of 12248690 is 9684221.

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 844561 = 3377^2 + 919^2 .

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

It is a super-2 number, since 2×12248690² = 300060813432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612425 + ... + 612444.

Almost surely, 2^12248690 is an apocalyptic number.

12248690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12248690 is a deficient number, since it is larger than the sum of its proper divisors (9798970).

12248690 is a wasteful number, since it uses less digits than its factorization.

12248690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224876.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12248690 is about 3499.8128521394. The cubic root of 12248690 is about 230.5135970698.

The spelling of 12248690 in words is "twelve million, two hundred forty-eight thousand, six hundred ninety".