12618790 has 16 divisors (see below), whose sum is σ = 22803120. Its totient is φ = 5027680.

The previous prime is 12618787. The next prime is 12618803. The reversal of 12618790 is 9781621.

It is a happy number.

It is a super-2 number, since 2×12618790² = 318467722128200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (1425195).

Almost surely, 2^12618790 is an apocalyptic number.

12618790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12618790 is a deficient number, since it is larger than the sum of its proper divisors (10184330).

12618790 is a wasteful number, since it uses less digits than its factorization.

12618790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12618790 is about 3552.2936252512. The cubic root of 12618790 is about 232.8122908726.

The spelling of 12618790 in words is "twelve million, six hundred eighteen thousand, seven hundred ninety".