1316497 has 32 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 912384.

The previous prime is 1316479. The next prime is 1316507. The reversal of 1316497 is 7946131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316497 is a prime.

1316497 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35563 + ... + 35599.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2^1316497 is an apocalyptic number.

1316497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1316497 is a deficient number, since it is larger than the sum of its proper divisors (522095).

1316497 is a wasteful number, since it uses less digits than its factorization.

1316497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97.

The product of its digits is 4536, while the sum is 31.

The square root of 1316497 is about 1147.3870314763. The cubic root of 1316497 is about 109.5990083292.

The spelling of 1316497 in words is "one million, three hundred sixteen thousand, four hundred ninety-seven".