1306606874 has 4 divisors (see below), whose sum is σ = 1959910314. Its totient is φ = 653303436.

The previous prime is 1306606867. The next prime is 1306606897. The reversal of 1306606874 is 4786066031.

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

It can be written as a sum of positive squares in only one way, i.e., 793267225 + 513339649 = 28165^2 + 22657^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326651717 + ... + 326651720.

Almost surely, 2^1306606874 is an apocalyptic number.

1306606874 is a deficient number, since it is larger than the sum of its proper divisors (653303440).

1306606874 is an equidigital number, since it uses as much as digits as its factorization.

1306606874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653303439.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1306606874 is about 36147.0174979901. The cubic root of 1306606874 is about 1093.2386559359.

The spelling of 1306606874 in words is "one billion, three hundred six million, six hundred six thousand, eight hundred seventy-four".