1349997 has 12 divisors (see below), whose sum is σ = 1979040. Its totient is φ = 817960.

The previous prime is 1349993. The next prime is 1350001. The reversal of 1349997 is 7999431.

It is an interprime number because it is at equal distance from previous prime (1349993) and next prime (1350001).

It is not a de Polignac number, because 1349997 - 2² = 1349993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1497 + ... + 2222.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

2^1349997 is an apocalyptic number.

It is an amenable number.

1349997 is a deficient number, since it is larger than the sum of its proper divisors (629043).

1349997 is a wasteful number, since it uses less digits than its factorization.

1349997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3733 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 1349997 is about 1161.8937128671. The cubic root of 1349997 is about 110.5208630918.

It can be divided in two parts, 1349 and 997, that added together give a triangular number (2346 = T₆₈).

The spelling of 1349997 in words is "one million, three hundred forty-nine thousand, nine hundred ninety-seven".