1267616 has 24 divisors (see below), whose sum is σ = 2852640. Its totient is φ = 543168.

The previous prime is 1267613. The next prime is 1267633. The reversal of 1267616 is 6167621.

It is not an unprimeable number, because it can be changed into a prime (1267613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (118860).

2^1267616 is an apocalyptic number.

1267616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1267616 is an abundant number, since it is smaller than the sum of its proper divisors (1585024).

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

1267616 is an equidigital number, since it uses as much as digits as its factorization.

1267616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 5668 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 1267616 is about 1125.8845411498. The cubic root of 1267616 is about 108.2254094164.

The spelling of 1267616 in words is "one million, two hundred sixty-seven thousand, six hundred sixteen".