12490355 has 4 divisors (see below), whose sum is σ = 14988432. Its totient is φ = 9992280.

The previous prime is 12490343. The next prime is 12490369. The reversal of 12490355 is 55309421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55309421 = 277 ⋅199673.

It is not a de Polignac number, because 12490355 - 2⁸ = 12490099 is a prime.

It is a Duffinian 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, 1249031 + ... + 1249040.

It is an arithmetic number, because the mean of its divisors is an integer number (3747108).

Almost surely, 2^12490355 is an apocalyptic number.

12490355 is a deficient number, since it is larger than the sum of its proper divisors (2498077).

12490355 is an equidigital number, since it uses as much as digits as its factorization.

12490355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498076.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 12490355 is about 3534.1696337329. The cubic root of 12490355 is about 232.0197354892.

Adding to 12490355 its reverse (55309421), we get a palindrome (67799776).

The spelling of 12490355 in words is "twelve million, four hundred ninety thousand, three hundred fifty-five".