1346685747 has 16 divisors (see below), whose sum is σ = 1964749440. Its totient is φ = 813700800.

The previous prime is 1346685733. The next prime is 1346685761. The reversal of 1346685747 is 7475866431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1346685733) and next prime (1346685761).

It is not a de Polignac number, because 1346685747 - 2¹⁶ = 1346620211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1346685747.

It is not an unprimeable number, because it can be changed into a prime (1346685247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50722 + ... + 72567.

It is an arithmetic number, because the mean of its divisors is an integer number (122796840).

Almost surely, 2^1346685747 is an apocalyptic number.

1346685747 is a deficient number, since it is larger than the sum of its proper divisors (618063693).

1346685747 is a wasteful number, since it uses less digits than its factorization.

1346685747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123634.

The product of its digits is 3386880, while the sum is 51.

The square root of 1346685747 is about 36697.2171560733. The cubic root of 1346685747 is about 1104.3042779031.

The spelling of 1346685747 in words is "one billion, three hundred forty-six million, six hundred eighty-five thousand, seven hundred forty-seven".