1325616 has 20 divisors (see below), whose sum is σ = 3424632. Its totient is φ = 441856.

The previous prime is 1325581. The next prime is 1325617. The reversal of 1325616 is 6165231.

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

It is not an unprimeable number, because it can be changed into a prime (1325617) 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, 13761 + ... + 13856.

2^1325616 is an apocalyptic number.

1325616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1325616 is an abundant number, since it is smaller than the sum of its proper divisors (2099016).

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

1325616 is a wasteful number, since it uses less digits than its factorization.

1325616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27628 (or 27622 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1325616 is about 1151.3539855318. The cubic root of 1325616 is about 109.8514800020.

The spelling of 1325616 in words is "one million, three hundred twenty-five thousand, six hundred sixteen".