1345536 has 72 divisors (see below), whose sum is σ = 3939390. Its totient is φ = 442368.

The previous prime is 1345507. The next prime is 1345537. The reversal of 1345536 is 6355431.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 230400 = 1056^2 + 480^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (1345537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18396 + ... + 18468.

2^1345536 is an apocalyptic number.

1345536 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 1345536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969695).

1345536 is an abundant number, since it is smaller than the sum of its proper divisors (2593854).

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

1345536 is an equidigital number, since it uses as much as digits as its factorization.

1345536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 78 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1345536 is about 1159.9724134651. The cubic root of 1345536 is about 110.3989917992.

It can be divided in two parts, 1345 and 536, that added together give a palindrome (1881).

The spelling of 1345536 in words is "one million, three hundred forty-five thousand, five hundred thirty-six".