1349147 has 2 divisors, whose sum is σ = 1349148. Its totient is φ = 1349146.

The previous prime is 1349143. The next prime is 1349149. The reversal of 1349147 is 7419431.

It is a strong prime.

It is an emirp because it is prime and its reverse (7419431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1349147 - 2² = 1349143 is a prime.

Together with 1349149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1349143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674573 + 674574.

It is an arithmetic number, because the mean of its divisors is an integer number (674574).

2^1349147 is an apocalyptic number.

1349147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349147 is an equidigital number, since it uses as much as digits as its factorization.

1349147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 1349147 is about 1161.5278731051. The cubic root of 1349147 is about 110.4976624336.

The spelling of 1349147 in words is "one million, three hundred forty-nine thousand, one hundred forty-seven".