12703918 has 4 divisors (see below), whose sum is σ = 19055880. Its totient is φ = 6351958.

The previous prime is 12703907. The next prime is 12703927. The reversal of 12703918 is 81930721.

12703918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12703918² = 322779065101448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12703918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175978 + ... + 3175981.

It is an arithmetic number, because the mean of its divisors is an integer number (4763970).

Almost surely, 2^12703918 is an apocalyptic number.

12703918 is a deficient number, since it is larger than the sum of its proper divisors (6351962).

12703918 is an equidigital number, since it uses as much as digits as its factorization.

12703918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351961.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12703918 is about 3564.2556025066. The cubic root of 12703918 is about 233.3346453441.

The spelling of 12703918 in words is "twelve million, seven hundred three thousand, nine hundred eighteen".