1345616 has 20 divisors (see below), whose sum is σ = 2678772. Its totient is φ = 654336.

The previous prime is 1345583. The next prime is 1345621. The reversal of 1345616 is 6165431.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 144400 = 1096^2 + 380^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 1728.

2^1345616 is an apocalyptic number.

1345616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345616 is a deficient number, since it is larger than the sum of its proper divisors (1333156).

1345616 is a wasteful number, since it uses less digits than its factorization.

1345616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2312 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1345616 is about 1160.0068965312. The cubic root of 1345616 is about 110.4011797115.

It can be divided in two parts, 13456 and 16, that multiplied together give a square (215296 = 464²).

The spelling of 1345616 in words is "one million, three hundred forty-five thousand, six hundred sixteen".