1238697 has 6 divisors (see below), whose sum is σ = 1789242. Its totient is φ = 825792.

The previous prime is 1238693. The next prime is 1238717. The reversal of 1238697 is 7968321.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 19881 = 1104^2 + 141^2 .

It is not a de Polignac number, because 1238697 - 2² = 1238693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238693) 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 5 ways as a sum of consecutive naturals, for example, 68808 + ... + 68825.

It is an arithmetic number, because the mean of its divisors is an integer number (298207).

2^1238697 is an apocalyptic number.

It is an amenable number.

1238697 is a deficient number, since it is larger than the sum of its proper divisors (550545).

1238697 is a wasteful number, since it uses less digits than its factorization.

1238697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137639 (or 137636 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1238697 is about 1112.9676545165. The cubic root of 1238697 is about 107.3960632328.

The spelling of 1238697 in words is "one million, two hundred thirty-eight thousand, six hundred ninety-seven".