1349977 has 2 divisors, whose sum is σ = 1349978. Its totient is φ = 1349976.

The previous prime is 1349947. The next prime is 1349993. The reversal of 1349977 is 7799431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 301401 = 1024^2 + 549^2 .

It is an emirp because it is prime and its reverse (7799431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1349977 - 2¹⁹ = 825689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349917) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674988 + 674989.

It is an arithmetic number, because the mean of its divisors is an integer number (674989).

2^1349977 is an apocalyptic number.

It is an amenable number.

1349977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349977 is an equidigital number, since it uses as much as digits as its factorization.

1349977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 1349977 is about 1161.8851061960. The cubic root of 1349977 is about 110.5203173058.

The spelling of 1349977 in words is "one million, three hundred forty-nine thousand, nine hundred seventy-seven".