1271696 has 10 divisors (see below), whose sum is σ = 2463942. Its totient is φ = 635840.

The previous prime is 1271687. The next prime is 1271701. The reversal of 1271696 is 6961721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 190096 = 1040^2 + 436^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39725 + ... + 39756.

2^1271696 is an apocalyptic number.

1271696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1271696 is a deficient number, since it is larger than the sum of its proper divisors (1192246).

1271696 is an equidigital number, since it uses as much as digits as its factorization.

1271696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79489 (or 79483 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1271696 is about 1127.6949942249. The cubic root of 1271696 is about 108.3413979532.

The spelling of 1271696 in words is "one million, two hundred seventy-one thousand, six hundred ninety-six".