13120415 has 32 divisors (see below), whose sum is σ = 20030976. Its totient is φ = 8012160.

The previous prime is 13120411. The next prime is 13120423. The reversal of 13120415 is 51402131.

It is not a de Polignac number, because 13120415 - 2² = 13120411 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 13120393 and 13120402.

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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20084 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (625968).

Almost surely, 2^13120415 is an apocalyptic number.

13120415 is a deficient number, since it is larger than the sum of its proper divisors (6910561).

13120415 is a wasteful number, since it uses less digits than its factorization.

13120415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13120415 is about 3622.2113411561. The cubic root of 13120415 is about 235.8572283540.

Adding to 13120415 its reverse (51402131), we get a palindrome (64522546).

The spelling of 13120415 in words is "thirteen million, one hundred twenty thousand, four hundred fifteen".