1291416 has 32 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 368928.

The previous prime is 1291391. The next prime is 1291421. The reversal of 1291416 is 6141921.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (115320).

2^1291416 is an apocalyptic number.

It is an amenable number.

1291416 is an abundant number, since it is smaller than the sum of its proper divisors (2398824).

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

1291416 is a wasteful number, since it uses less digits than its factorization.

1291416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703 (or 7699 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 1291416 is about 1136.4048574342. The cubic root of 1291416 is about 108.8985392592.

The spelling of 1291416 in words is "one million, two hundred ninety-one thousand, four hundred sixteen".