13390466 has 4 divisors (see below), whose sum is σ = 20085702. Its totient is φ = 6695232.

The previous prime is 13390417. The next prime is 13390469. The reversal of 13390466 is 66409331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 177241 = 3635^2 + 421^2 .

It is not an unprimeable number, because it can be changed into a prime (13390469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347615 + ... + 3347618.

Almost surely, 2^13390466 is an apocalyptic number.

13390466 is a deficient number, since it is larger than the sum of its proper divisors (6695236).

13390466 is an equidigital number, since it uses as much as digits as its factorization.

13390466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695235.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 13390466 is about 3659.2985666655. The cubic root of 13390466 is about 237.4644290217.

Adding to 13390466 its reverse (66409331), we get a palindrome (79799797).

The spelling of 13390466 in words is "thirteen million, three hundred ninety thousand, four hundred sixty-six".