13120412 has 24 divisors (see below), whose sum is σ = 25006800. Its totient is φ = 5999616.

The previous prime is 13120411. The next prime is 13120423. The reversal of 13120412 is 21402131.

It is a super-2 number, since 2×13120412² = 344290422099488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120411) 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 in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1041950).

Almost surely, 2^13120412 is an apocalyptic number.

It is an amenable number.

13120412 is a deficient number, since it is larger than the sum of its proper divisors (11886388).

13120412 is a wasteful number, since it uses less digits than its factorization.

13120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005 (or 6003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13120412 is about 3622.2109270444. The cubic root of 13120412 is about 235.8572103777.

Adding to 13120412 its reverse (21402131), we get a palindrome (34522543).

The spelling of 13120412 in words is "thirteen million, one hundred twenty thousand, four hundred twelve".