1218674 has 4 divisors (see below), whose sum is σ = 1828014. Its totient is φ = 609336.

The previous prime is 1218653. The next prime is 1218683. The reversal of 1218674 is 4768121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4768121 = 257 ⋅18553.

It can be written as a sum of positive squares in only one way, i.e., 1194649 + 24025 = 1093^2 + 155^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304667 + ... + 304670.

2^1218674 is an apocalyptic number.

1218674 is a deficient number, since it is larger than the sum of its proper divisors (609340).

1218674 is an equidigital number, since it uses as much as digits as its factorization.

1218674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609339.

The product of its digits is 2688, while the sum is 29.

The square root of 1218674 is about 1103.9356865325. The cubic root of 1218674 is about 106.8142466745.

The spelling of 1218674 in words is "one million, two hundred eighteen thousand, six hundred seventy-four".