1612872 has 80 divisors (see below), whose sum is σ = 4791600. Its totient is φ = 505440.

The previous prime is 1612859. The next prime is 1612903. The reversal of 1612872 is 2782161.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (1344) is a multiple of the sum of its prime factors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12247 + ... + 12377.

It is an arithmetic number, because the mean of its divisors is an integer number (59895).

2^1612872 is an apocalyptic number.

1612872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395800).

1612872 is an abundant number, since it is smaller than the sum of its proper divisors (3178728).

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

1612872 is a wasteful number, since it uses less digits than its factorization.

1612872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1612872 is about 1269.9889763301. The cubic root of 1612872 is about 117.2735218000.

The spelling of 1612872 in words is "one million, six hundred twelve thousand, eight hundred seventy-two".