12290613 has 4 divisors (see below), whose sum is σ = 16387488. Its totient is φ = 8193740.

The previous prime is 12290573. The next prime is 12290617. The reversal of 12290613 is 31609221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12290613 - 2⁸ = 12290357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048433 + ... + 2048438.

It is an arithmetic number, because the mean of its divisors is an integer number (4096872).

Almost surely, 2^12290613 is an apocalyptic number.

It is an amenable number.

12290613 is a deficient number, since it is larger than the sum of its proper divisors (4096875).

12290613 is an equidigital number, since it uses as much as digits as its factorization.

12290613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096874.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12290613 is about 3505.7970563055. The cubic root of 12290613 is about 230.7762868526.

Adding to 12290613 its reverse (31609221), we get a palindrome (43899834).

The spelling of 12290613 in words is "twelve million, two hundred ninety thousand, six hundred thirteen".