1306147 has 8 divisors (see below), whose sum is σ = 1378080. Its totient is φ = 1235520.

The previous prime is 1306139. The next prime is 1306157. The reversal of 1306147 is 7416031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1306147 - 2³ = 1306139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (172260).

2^1306147 is an apocalyptic number.

1306147 is a deficient number, since it is larger than the sum of its proper divisors (71933).

1306147 is a wasteful number, since it uses less digits than its factorization.

1306147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1306147 is about 1142.8678838781. The cubic root of 1306147 is about 109.3110381947.

The spelling of 1306147 in words is "one million, three hundred six thousand, one hundred forty-seven".