13020465 has 16 divisors (see below), whose sum is σ = 21505536. Its totient is φ = 6720000.

The previous prime is 13020439. The next prime is 13020467. The reversal of 13020465 is 56402031.

It is a happy number.

13020465 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13020465 - 2⁸ = 13020209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13020467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13536 + ... + 14465.

It is an arithmetic number, because the mean of its divisors is an integer number (1344096).

Almost surely, 2^13020465 is an apocalyptic number.

13020465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13020465 is a deficient number, since it is larger than the sum of its proper divisors (8485071).

13020465 is a wasteful number, since it uses less digits than its factorization.

13020465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28040.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13020465 is about 3608.3881443104. The cubic root of 13020465 is about 235.2567888637.

Adding to 13020465 its reverse (56402031), we get a palindrome (69422496).

The spelling of 13020465 in words is "thirteen million, twenty thousand, four hundred sixty-five".