1345776 has 60 divisors (see below), whose sum is σ = 3702888. Its totient is φ = 420992.

The previous prime is 1345759. The next prime is 1345777. The reversal of 1345776 is 6775431.

It is a super-2 number, since 2×1345776² = 3622226084352, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25366 + ... + 25418.

2^1345776 is an apocalyptic number.

1345776 is a gapful number since it is divisible by the number (16) 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 1345776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851444).

1345776 is an abundant number, since it is smaller than the sum of its proper divisors (2357112).

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

1345776 is a wasteful number, since it uses less digits than its factorization.

1345776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 81 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 1345776 is about 1160.0758595885. The cubic root of 1345776 is about 110.4055552760.

The spelling of 1345776 in words is "one million, three hundred forty-five thousand, seven hundred seventy-six".