1271396 has 24 divisors (see below), whose sum is σ = 2693376. Its totient is φ = 512640.

The previous prime is 1271393. The next prime is 1271399. The reversal of 1271396 is 6931721.

It is an interprime number because it is at equal distance from previous prime (1271393) and next prime (1271399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (112224).

2^1271396 is an apocalyptic number.

It is an amenable number.

1271396 is an abundant number, since it is smaller than the sum of its proper divisors (1421980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271396 is a wasteful number, since it uses less digits than its factorization.

1271396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2697 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 1271396 is about 1127.5619716894. The cubic root of 1271396 is about 108.3328778416.

The spelling of 1271396 in words is "one million, two hundred seventy-one thousand, three hundred ninety-six".