13453450 has 12 divisors (see below), whose sum is σ = 25023510. Its totient is φ = 5381360.

The previous prime is 13453397. The next prime is 13453457. The reversal of 13453450 is 5435431.

It can be written as a sum of positive squares in 3 ways, for example, as 12552849 + 900601 = 3543^2 + 949^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13453457) 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, 134485 + ... + 134584.

Almost surely, 2^13453450 is an apocalyptic number.

13453450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13453450 is a deficient number, since it is larger than the sum of its proper divisors (11570060).

13453450 is a wasteful number, since it uses less digits than its factorization.

13453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269081 (or 269076 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 13453450 is about 3667.8944913942. The cubic root of 13453450 is about 237.8361629287.

Adding to 13453450 its reverse (5435431), we get a palindrome (18888881).

The spelling of 13453450 in words is "thirteen million, four hundred fifty-three thousand, four hundred fifty".