13445450 has 12 divisors (see below), whose sum is σ = 25008630. Its totient is φ = 5378160.

The previous prime is 13445429. The next prime is 13445459. The reversal of 13445450 is 5454431.

It can be written as a sum of positive squares in 3 ways, for example, as 5248681 + 8196769 = 2291^2 + 2863^2 .

It is not an unprimeable number, because it can be changed into a prime (13445459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134405 + ... + 134504.

Almost surely, 2^13445450 is an apocalyptic number.

13445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13445450 is a deficient number, since it is larger than the sum of its proper divisors (11563180).

13445450 is a wasteful number, since it uses less digits than its factorization.

13445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268921 (or 268916 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 13445450 is about 3666.8037853149. The cubic root of 13445450 is about 237.7890110440.

Adding to 13445450 its reverse (5454431), we get a palindrome (18899881).

The spelling of 13445450 in words is "thirteen million, four hundred forty-five thousand, four hundred fifty".