13235945 has 8 divisors (see below), whose sum is σ = 16817544. Its totient is φ = 9965824.

The previous prime is 13235933. The next prime is 13235947. The reversal of 13235945 is 54953231.

It can be written as a sum of positive squares in 4 ways, for example, as 583696 + 12652249 = 764^2 + 3557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13235945 - 2⁶ = 13235881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13235947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77774 + ... + 77943.

It is an arithmetic number, because the mean of its divisors is an integer number (2102193).

Almost surely, 2^13235945 is an apocalyptic number.

It is an amenable number.

13235945 is a deficient number, since it is larger than the sum of its proper divisors (3581599).

13235945 is a wasteful number, since it uses less digits than its factorization.

13235945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155739.

The product of its digits is 16200, while the sum is 32.

The square root of 13235945 is about 3638.1238296683. The cubic root of 13235945 is about 236.5474757450.

It can be divided in two parts, 132 and 35945, that multiplied together give a triangular number (4744740 = T₃₀₈₀).

The spelling of 13235945 in words is "thirteen million, two hundred thirty-five thousand, nine hundred forty-five".