13350146 has 4 divisors (see below), whose sum is σ = 20025222. Its totient is φ = 6675072.

The previous prime is 13350137. The next prime is 13350149. The reversal of 13350146 is 64105331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64105331 = 967 ⋅66293.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 469225 = 3589^2 + 685^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13350149) 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 as a sum of consecutive naturals, namely, 3337535 + ... + 3337538.

Almost surely, 2^13350146 is an apocalyptic number.

13350146 is a deficient number, since it is larger than the sum of its proper divisors (6675076).

13350146 is an equidigital number, since it uses as much as digits as its factorization.

13350146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675075.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13350146 is about 3653.7851606245. The cubic root of 13350146 is about 237.2258465390.

Adding to 13350146 its reverse (64105331), we get a palindrome (77455477).

The spelling of 13350146 in words is "thirteen million, three hundred fifty thousand, one hundred forty-six".