12290552 has 16 divisors (see below), whose sum is σ = 23228160. Its totient is φ = 6096384.

The previous prime is 12290521. The next prime is 12290567. The reversal of 12290552 is 25509221.

It is a congruent number.

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, 5033 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (1451760).

Almost surely, 2^12290552 is an apocalyptic number.

It is an amenable number.

12290552 is a deficient number, since it is larger than the sum of its proper divisors (10937608).

12290552 is a wasteful number, since it uses less digits than its factorization.

12290552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230 (or 12226 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12290552 is about 3505.7883564186. The cubic root of 12290552 is about 230.7759050605.

Adding to 12290552 its reverse (25509221), we get a palindrome (37799773).

The spelling of 12290552 in words is "twelve million, two hundred ninety thousand, five hundred fifty-two".