1271413 has 16 divisors (see below), whose sum is σ = 1584576. Its totient is φ = 1002240.

The previous prime is 1271401. The next prime is 1271419. The reversal of 1271413 is 3141721.

It is a cyclic number.

It is not a de Polignac number, because 1271413 - 2⁹ = 1270901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170 + ... + 2692.

It is an arithmetic number, because the mean of its divisors is an integer number (99036).

2^1271413 is an apocalyptic number.

1271413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1271413 is a deficient number, since it is larger than the sum of its proper divisors (313163).

1271413 is a wasteful number, since it uses less digits than its factorization.

1271413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its digits is 168, while the sum is 19.

The square root of 1271413 is about 1127.5695100525. The cubic root of 1271413 is about 108.3333606838. Note that the first 4 decimals are identical.

It can be divided in two parts, 127 and 1413, that added together give a triangular number (1540 = T₅₅).

The spelling of 1271413 in words is "one million, two hundred seventy-one thousand, four hundred thirteen".