12446015426 has 32 divisors (see below), whose sum is σ = 20726133120. Its totient is φ = 5569547904.

The previous prime is 12446015383. The next prime is 12446015429. The reversal of 12446015426 is 62451064421.

It is a super-2 number, since 2×12446015426² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12446015429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56411 + ... + 167553.

It is an arithmetic number, because the mean of its divisors is an integer number (647691660).

Almost surely, 2^12446015426 is an apocalyptic number.

12446015426 is a deficient number, since it is larger than the sum of its proper divisors (8280117694).

12446015426 is a wasteful number, since it uses less digits than its factorization.

12446015426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111290.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 12446015426 its reverse (62451064421), we get a palindrome (74897079847).

The spelling of 12446015426 in words is "twelve billion, four hundred forty-six million, fifteen thousand, four hundred twenty-six".