12290495 has 8 divisors (see below), whose sum is σ = 16855584. Its totient is φ = 8427744.

The previous prime is 12290491. The next prime is 12290497. The reversal of 12290495 is 59409221.

12290495 = 755² + 756² + ... + 775².

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

It is a cyclic number.

It is not a de Polignac number, because 12290495 - 2² = 12290491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175544 + ... + 175613.

It is an arithmetic number, because the mean of its divisors is an integer number (2106948).

Almost surely, 2^12290495 is an apocalyptic number.

12290495 is a deficient number, since it is larger than the sum of its proper divisors (4565089).

12290495 is an equidigital number, since it uses as much as digits as its factorization.

12290495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351169.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12290495 is about 3505.7802269966. The cubic root of 12290495 is about 230.7755483028.

The spelling of 12290495 in words is "twelve million, two hundred ninety thousand, four hundred ninety-five".