1291412 has 12 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 643416.

The previous prime is 1291391. The next prime is 1291421. The reversal of 1291412 is 2141921.

It is a super-3 number, since 3×1291412³ = 6461237538613339584, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^1291412 is an apocalyptic number.

It is an amenable number.

1291412 is a deficient number, since it is larger than the sum of its proper divisors (976588).

1291412 is a wasteful number, since it uses less digits than its factorization.

1291412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1148 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1291412 is about 1136.4030974967. The cubic root of 1291412 is about 108.8984268258.

The spelling of 1291412 in words is "one million, two hundred ninety-one thousand, four hundred twelve".