13012406 has 16 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 5839080.

The previous prime is 13012403. The next prime is 13012409. The reversal of 13012406 is 60421031.

It is an interprime number because it is at equal distance from previous prime (13012403) and next prime (13012409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012403) 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 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (1347840).

Almost surely, 2^13012406 is an apocalyptic number.

13012406 is a deficient number, since it is larger than the sum of its proper divisors (8553034).

13012406 is a wasteful number, since it uses less digits than its factorization.

13012406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13012406 is about 3607.2712678699. The cubic root of 13012406 is about 235.2082415510.

Adding to 13012406 its reverse (60421031), we get a palindrome (73433437).

The spelling of 13012406 in words is "thirteen million, twelve thousand, four hundred six".