13146012426 has 16 divisors (see below), whose sum is σ = 26652190464. Its totient is φ = 4321976544.

The previous prime is 13146012401. The next prime is 13146012437. The reversal of 13146012426 is 62421064131.

It is a junction number, because it is equal to n+sod(n) for n = 13146012393 and 13146012402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15006426 + ... + 15007301.

It is an arithmetic number, because the mean of its divisors is an integer number (1665761904).

Almost surely, 2^13146012426 is an apocalyptic number.

13146012426 is an abundant number, since it is smaller than the sum of its proper divisors (13506178038).

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

13146012426 is a wasteful number, since it uses less digits than its factorization.

13146012426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30013805.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 13146012426 its reverse (62421064131), we get a palindrome (75567076557).

The spelling of 13146012426 in words is "thirteen billion, one hundred forty-six million, twelve thousand, four hundred twenty-six".