13120446 has 16 divisors (see below), whose sum is σ = 26337024. Its totient is φ = 4357464.

The previous prime is 13120427. The next prime is 13120483. The reversal of 13120446 is 64402131.

It is a super-2 number, since 2×13120446² = 344292206477832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (1646064).

Almost surely, 2^13120446 is an apocalyptic number.

13120446 is an abundant number, since it is smaller than the sum of its proper divisors (13216578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120446 is a wasteful number, since it uses less digits than its factorization.

13120446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13120446 is about 3622.2156203075. The cubic root of 13120446 is about 235.8574141096.

Adding to 13120446 its reverse (64402131), we get a palindrome (77522577).

The spelling of 13120446 in words is "thirteen million, one hundred twenty thousand, four hundred forty-six".