1347680651 has 4 divisors (see below), whose sum is σ = 1348213152. Its totient is φ = 1347148152.

The previous prime is 1347680647. The next prime is 1347680681. The reversal of 1347680651 is 1560867431.

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

It is a cyclic number.

It is not a de Polignac number, because 1347680651 - 2² = 1347680647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1347680599 and 1347680608.

It is not an unprimeable number, because it can be changed into a prime (1347680641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262436 + ... + 267521.

It is an arithmetic number, because the mean of its divisors is an integer number (337053288).

Almost surely, 2^1347680651 is an apocalyptic number.

1347680651 is a deficient number, since it is larger than the sum of its proper divisors (532501).

1347680651 is an equidigital number, since it uses as much as digits as its factorization.

1347680651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532500.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1347680651 is about 36710.7702316364. The cubic root of 1347680651 is about 1104.5761567971.

The spelling of 1347680651 in words is "one billion, three hundred forty-seven million, six hundred eighty thousand, six hundred fifty-one".