12618490 has 32 divisors (see below), whose sum is σ = 24022656. Its totient is φ = 4762560.

The previous prime is 12618481. The next prime is 12618493. The reversal of 12618490 is 9481621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12618493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18760 + ... + 19420.

It is an arithmetic number, because the mean of its divisors is an integer number (750708).

Almost surely, 2^12618490 is an apocalyptic number.

12618490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12618490 is a deficient number, since it is larger than the sum of its proper divisors (11404166).

12618490 is a wasteful number, since it uses less digits than its factorization.

12618490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12618490 is about 3552.2513987611. The cubic root of 12618490 is about 232.8104458927.

The spelling of 12618490 in words is "twelve million, six hundred eighteen thousand, four hundred ninety".